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.

A213466 Number of 0..3 arrays of length 2*n+1 with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).

Table of values

n a(n)
1 14
2 310
3 5542
4 94238
5 1568984
6 25829770
7 422335348
8 6874493982
9 111547175144
10 1805837931800
11 29183975631910
12 471002809679314
13 7593394526409992
14 122312334606560252
15 1968761313647420552
16 31670562474748858142

List of values

[14, 310, 5542, 94238, 1568984, 25829770, 422335348, 6874493982, 111547175144, 1805837931800, 29183975631910, 471002809679314, 7593394526409992, 122312334606560252, 1968761313647420552, 31670562474748858142]