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.

A249215 Number of length 3+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Table of values

n a(n)
1 496
2 11874
3 183516
4 1287632
5 6631348
6 26526142
7 89437990
8 259680594
9 678836386
10 1608960332
11 3563385010
12 7370543098
13 14518880248
14 27241408064
15 49261449504
16 85646747520
17 144718409622
18 237078221134

List of values

[496, 11874, 183516, 1287632, 6631348, 26526142, 89437990, 259680594, 678836386, 1608960332, 3563385010, 7370543098, 14518880248, 27241408064, 49261449504, 85646747520, 144718409622, 237078221134]