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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.

A088317 a(n) = 8*a(n-1) + a(n-2), starting with a(0) = 1 and a(1) = 4.

Table of values

n a(n)
0 1
1 4
2 33
3 268
4 2177
5 17684
6 143649
7 1166876
8 9478657
9 76996132
10 625447713
11 5080577836
12 41270070401
13 335241141044
14 2723199198753
15 22120834731068
16 179689877047297
17 1459639851109444
18 11856808685922849
19 96314109338492236
20 782369683393860737
21 6355271576489378132
22 51624542295308885793

List of values

[1, 4, 33, 268, 2177, 17684, 143649, 1166876, 9478657, 76996132, 625447713, 5080577836, 41270070401, 335241141044, 2723199198753, 22120834731068, 179689877047297, 1459639851109444, 11856808685922849, 96314109338492236, 782369683393860737, 6355271576489378132, 51624542295308885793]

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

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