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.

A258132 Octagonal numbers (A000567) that are the sum of fifteen consecutive octagonal numbers.

Table of values

n a(n)
1 4715040
2 8463840
3 1122749669280
4 2015496399840
5 267373851637578960
6 479974343542849680
7 63672943775553479639280
8 114302050117965712710960
9 15163202176330482896520455040
10 27220118818712616412771202880
11 3610995292612020914167620625112640

List of values

[4715040, 8463840, 1122749669280, 2015496399840, 267373851637578960, 479974343542849680, 63672943775553479639280, 114302050117965712710960, 15163202176330482896520455040, 27220118818712616412771202880, 3610995292612020914167620625112640]

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

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