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.

A180847 a(n) = (27^n-4^n)/23.

Table of values

n a(n)
0 0
1 1
2 31
3 853
4 23095
5 623821
6 16844191
7 454797253
8 12279542215
9 331547705341
10 8951788306351
11 241698285320053
12 6525853707835735
13 176198050128342061
14 4757347353532344511
15 128448378545641737253
16 3468106220733400647655

List of values

[0, 1, 31, 853, 23095, 623821, 16844191, 454797253, 12279542215, 331547705341, 8951788306351, 241698285320053, 6525853707835735, 176198050128342061, 4757347353532344511, 128448378545641737253, 3468106220733400647655]

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

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