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.

A133301 a(n) is the n-th pentagonal number which is the sum of two consecutive pentagonal numbers.

Table of values

n a(n)
1 1
2 1926
3 850137
4 2564464982
5 1132138928657
6 3415133918621062
7 1507685261236261801
8 4547981651299964079126
9 2007805569980855008712097
10 6056610836775865229750164742
11 2673822786819976661810784866297
12 8065673443881586606920210924732502

List of values

[1, 1926, 850137, 2564464982, 1132138928657, 3415133918621062, 1507685261236261801, 4547981651299964079126, 2007805569980855008712097, 6056610836775865229750164742, 2673822786819976661810784866297, 8065673443881586606920210924732502]

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

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