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.

A133141 Numbers which are both centered pentagonal (A005891) and centered hexagonal numbers (A003215).

Table of values

n a(n)
1 1
2 331
3 159391
4 76825981
5 37029963301
6 17848365484951
7 8602875133782931
8 4146567966117887641
9 1998637156793688059881
10 963338963006591526974851
11 464327381532020322313818151
12 223804834559470788763733373781

List of values

[1, 331, 159391, 76825981, 37029963301, 17848365484951, 8602875133782931, 4146567966117887641, 1998637156793688059881, 963338963006591526974851, 464327381532020322313818151, 223804834559470788763733373781]

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

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