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.

A212477 Number of 0..3 arrays of length 2*n+5 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).

Table of values

n a(n)
1 2037
2 53553
3 1098260
4 19960518
5 344305566
6 5795798788
7 96239314549
8 1584499716270
9 25938577854660
10 422900154613448
11 6874291237701437
12 111487268294929274
13 1804868382278013414
14 29177249831017201248

List of values

[2037, 53553, 1098260, 19960518, 344305566, 5795798788, 96239314549, 1584499716270, 25938577854660, 422900154613448, 6874291237701437, 111487268294929274, 1804868382278013414, 29177249831017201248]