cp's OEIS Frontend

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.

A087635 a(n) = S(n,3) where S(n,m) = Sum_{k=0..n} binomial(n,k)*Fibonacci(m*k).

Table of values

n a(n)
0 0
1 2
2 12
3 64
4 336
5 1760
6 9216
7 48256
8 252672
9 1323008
10 6927360
11 36272128
12 189923328
13 994451456
14 5207015424
15 27264286720
16 142757658624
17 747488804864
18 3913902194688
19 20493457948672
20 107305138913280
21 561857001684992

List of values

[0, 2, 12, 64, 336, 1760, 9216, 48256, 252672, 1323008, 6927360, 36272128, 189923328, 994451456, 5207015424, 27264286720, 142757658624, 747488804864, 3913902194688, 20493457948672, 107305138913280, 561857001684992]