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.

A278207 Number of nX7 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) (1,0) or (1,1), with upper left element zero.

Table of values

n a(n)
1 0
2 2208
3 251260
4 23732454
5 2644587148
6 297169006604
7 33056811286568
8 3676498268449668
9 409137247202506544
10 45530553691308851854
11 5066646847508250491070
12 563817868393293695820130

List of values

[0, 2208, 251260, 23732454, 2644587148, 297169006604, 33056811286568, 3676498268449668, 409137247202506544, 45530553691308851854, 5066646847508250491070, 563817868393293695820130]