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.

A213471 Number of 0..3 arrays of length 2*n+6 with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).

Table of values

n a(n)
1 793
2 65425
3 1940673
4 43399990
5 836356119
6 15103463125
7 263422708979
8 4498700185621
9 75773483221458
10 1264058518607488
11 20939915070874170
12 345057032966423355
13 5662807472785412683
14 92633089841621699568

List of values

[793, 65425, 1940673, 43399990, 836356119, 15103463125, 263422708979, 4498700185621, 75773483221458, 1264058518607488, 20939915070874170, 345057032966423355, 5662807472785412683, 92633089841621699568]