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Search: id:A048921
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A048921 9-gonal heptagonal numbers (A000566). +0
3
1, 26884, 542041975, 10928650279834, 220343446399977901, 4442564555387704166896, 89570986345383445012986019, 1805930222253056462964119954950, 36411165051495138060899141518722649 (list; graph; listen)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A048919, A048920.

Sequence in context: A093180 A093181 A051025 this_sequence A162144 A159995 A037045

Adjacent sequences: A048918 A048919 A048920 this_sequence A048922 A048923 A048924

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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