cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A048921 9-gonal heptagonal numbers (A000566).

Table of values

n a(n)
1 1
2 26884
3 542041975
4 10928650279834
5 220343446399977901
6 4442564555387704166896
7 89570986345383445012986019
8 1805930222253056462964119954950
9 36411165051495138060899141518722649
10 734121907962314751330792028336366100956

List of values

[1, 26884, 542041975, 10928650279834, 220343446399977901, 4442564555387704166896, 89570986345383445012986019, 1805930222253056462964119954950, 36411165051495138060899141518722649, 734121907962314751330792028336366100956]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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