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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.

A251699 a(n) = (7*n+1) * (8*n+1)^(n-2) * 9^n.

Table of values

n a(n)
0 1
1 8
2 1215
3 400950
4 207202941
5 146509780644
6 131737019154363
7 143893722808861650
8 185052548743241765625
9 273919266332571877019712
10 458736814135093804224189111
11 857575304752878031562956215918
12 1770298011965146072399475770453365
13 3999656915702652258291935606835937500

List of values

[1, 8, 1215, 400950, 207202941, 146509780644, 131737019154363, 143893722808861650, 185052548743241765625, 273919266332571877019712, 458736814135093804224189111, 857575304752878031562956215918, 1770298011965146072399475770453365, 3999656915702652258291935606835937500]

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

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