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.

A152257 a(n) = (3^n - 1)^2*(3^n + 1)/16.

Table of values

n a(n)
0 0
1 1
2 40
3 1183
4 32800
5 893101
6 24180520
7 653473003
8 17649155200
9 476575627801
10 12867977828200
11 347439324082423
12 9380897054183200
13 253284538196972101
14 6838685390919695080
15 184644531291230453443
16 4985402576490767372800
17 134605871649898496094001

List of values

[0, 1, 40, 1183, 32800, 893101, 24180520, 653473003, 17649155200, 476575627801, 12867977828200, 347439324082423, 9380897054183200, 253284538196972101, 6838685390919695080, 184644531291230453443, 4985402576490767372800, 134605871649898496094001]

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

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