Figurate numbers

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(Math.)

numbers, or series of numbers, formed from any arithmetical progression in which the first term is a unit, and the difference a whole number, by taking the first term, and the sums of the first two, first three, first four, etc., as the successive terms of a new series, from which another may be formed in the same manner, and so on, the numbers in the resulting series being such that points representing them are capable of symmetrical arrangement in different geometrical figures, as triangles, squares, pentagons, etc.

See also: Figurate

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Figural numbers Heptagonal numbers Polygonal numbers Pyramidal numbers Triangular numbers			This is exemplified in the student notes booklet of the "Euler Enrichment Stage" in a section that deals with figurate numbers. Establishing a mathematics-enrichment community in a multi-school ... by Thomson, Ian / Australian Mathematics Teacher We pick up from there and use another neat way of adding lists of numbers to find a way of getting general formulae for figurate numbers and use Gauss's method to check it Sum fun with gnomons! or take the Gausswork out of it! by Squire, Barry / Australian Mathematics Teacher Figurate numbers A figurate number is a number that can be represented as a regular and discrete geometric pattern (e. Diversions by Squire, Barry / Australian Mathematics Teacher			Fighting crab fighting fire with fire fighting fish Fighting French Fighting Joe Hooker fighting load fighting patrol fighting top fighting word Fightingly Fightwite figjam figment Figpecker Figulate figuline Figurability Figurable figural figural blindness Figural numbers figurant Figurante figurate Figurate counterpoint Figurate numbers Figurated Figurately figuration figurative Figurative counterpoint figuratively figure Figure caster figure eight Figure flinging figure loom figure of eight figure of merit figure of speech figure on figure out Figure painting figure skate figure skating Figure stone Figure weaving figure-conscious figure-ground phenomenon figure-hugging Figure-of-eight knot			Figueres, Girona Figueres, José Figueres, Spain Figueroa Corridor Coalition for Economic Justice FIGUGEGL Figulate Figuline figura figura figura figura figura Figurability Figurable figurae figural figural blindness Figural numbers figurally figurant Figurante Figurante figurantes figurants figurare figurare Figurate Figurate Figurate counterpoint Figurate number Figurate numbers Figurated Figurately figuration figuration figuration figurations figurations figurations figurative figurative figurative figurative constant Figurative counterpoint Figurative lanugage Figurative lanugage Figurative lanugage Figurative Speech Figurative Speech Figurative Speech figuratively figuratively figuratively figurativeness figurativeness figurativeness figure figure figure figure figure

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