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.

A259423 Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111.

Table of values

n a(n)
1 469
2 7695
3 123306
4 1990133
5 32060569
6 516880938
7 8331704179
8 134312969201
9 2165188798924
10 34904319329031
11 562681121125617
12 9070816244710226
13 146227977764091271
14 2357299291195098509
15 38001348653396589778

List of values

[469, 7695, 123306, 1990133, 32060569, 516880938, 8331704179, 134312969201, 2165188798924, 34904319329031, 562681121125617, 9070816244710226, 146227977764091271, 2357299291195098509, 38001348653396589778]