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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.

A273625 a(n) = (1/12)*(Fibonacci(2*n) + Fibonacci(4*n) + Fibonacci(6*n)).

Table of values

n a(n)
1 1
2 14
3 228
4 3948
5 69905
6 1248072
7 22352707
8 400808856
9 7190208684
10 129009258070
11 2314882621811
12 41538234954384
13 745368939599413
14 13375072472343218
15 240005728531700340
16 4306726622089196592
17 77281063743045412517
18 1386752354089549205976
19 24884260852952644076119

List of values

[1, 14, 228, 3948, 69905, 1248072, 22352707, 400808856, 7190208684, 129009258070, 2314882621811, 41538234954384, 745368939599413, 13375072472343218, 240005728531700340, 4306726622089196592, 77281063743045412517, 1386752354089549205976, 24884260852952644076119]

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

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