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.

A262328 Number of (n+1) X (4+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 11
2 33
3 351
4 2399
5 26131
6 252097
7 2767631
8 29452071
9 323841891
10 3532758473
11 38856792031
12 426525918799
13 4691681673011
14 51580839266577
15 567386112244911
16 6240392439847991
17 68644221256999171
18 755059969459250713

List of values

[11, 33, 351, 2399, 26131, 252097, 2767631, 29452071, 323841891, 3532758473, 38856792031, 426525918799, 4691681673011, 51580839266577, 567386112244911, 6240392439847991, 68644221256999171, 755059969459250713]