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.

A279265 Number of nX5 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 5
2 38
3 240
4 1592
5 9042
6 51568
7 283450
8 1526492
9 8110769
10 42557410
11 221270081
12 1141211474
13 5846407067
14 29780194244
15 150943805823
16 761780179606
17 3829943970192
18 19190669055102
19 95869271616912
20 477631625489180

List of values

[5, 38, 240, 1592, 9042, 51568, 283450, 1526492, 8110769, 42557410, 221270081, 1141211474, 5846407067, 29780194244, 150943805823, 761780179606, 3829943970192, 19190669055102, 95869271616912, 477631625489180]