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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.

A086902 a(n) = 7*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 7.

Table of values

n a(n)
0 2
1 7
2 51
3 364
4 2599
5 18557
6 132498
7 946043
8 6754799
9 48229636
10 344362251
11 2458765393
12 17555720002
13 125348805407
14 894997357851
15 6390330310364
16 45627309530399
17 325781497023157
18 2326097788692498
19 16608466017870643
20 118585359913786999
21 846705985414379636

List of values

[2, 7, 51, 364, 2599, 18557, 132498, 946043, 6754799, 48229636, 344362251, 2458765393, 17555720002, 125348805407, 894997357851, 6390330310364, 45627309530399, 325781497023157, 2326097788692498, 16608466017870643, 118585359913786999, 846705985414379636]

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

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