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.

A213463 Number of 0..3 arrays of length n+13 with sum less than 21 in any length 14 subsequence (=less than 50% duty cycle).

Table of values

n a(n)
1 121573668
2 422335348
3 1508740928
4 5451265872
5 19808276303
6 72188618371
7 263422708979
8 961420842175
9 3506529656386
10 12771245213778
11 46419273790680
12 168267481707156
13 607940940612132
14 2187698564614622
15 7835295875376792

List of values

[121573668, 422335348, 1508740928, 5451265872, 19808276303, 72188618371, 263422708979, 961420842175, 3506529656386, 12771245213778, 46419273790680, 168267481707156, 607940940612132, 2187698564614622, 7835295875376792]