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.

A185515 Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock singular.

Table of values

n a(n)
1 593
2 12361
3 154561
4 2490449
5 35659489
6 541370505
7 7998109489
8 119752453041
9 1781802607473
10 26592505725449
11 396308610878561
12 5910310463665361
13 88113720913502145
14 1313850510428863561
15 19589143573382779985

List of values

[593, 12361, 154561, 2490449, 35659489, 541370505, 7998109489, 119752453041, 1781802607473, 26592505725449, 396308610878561, 5910310463665361, 88113720913502145, 1313850510428863561, 19589143573382779985]