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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.

A343008 a(n) = F(n+5) * F(n+2) - 12 * (-1)^n where F(n) = A000045(n) are the Fibonacci numbers.

Table of values

n a(n)
1 28
2 27
3 117
4 260
5 727
6 1857
7 4908
8 12803
9 33565
10 87828
11 229983
12 602057
13 1576252
14 4126635
15 10803717
16 28284452
17 74049703
18 193864593
19 507544140
20 1328767763
21 3478759213
22 9107509812
23 23843770287
24 62423800985
25 163427632732
26 427859097147
27 1120149658773

List of values

[28, 27, 117, 260, 727, 1857, 4908, 12803, 33565, 87828, 229983, 602057, 1576252, 4126635, 10803717, 28284452, 74049703, 193864593, 507544140, 1328767763, 3478759213, 9107509812, 23843770287, 62423800985, 163427632732, 427859097147, 1120149658773]

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

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