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.

A285756 Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 0
2 2896
3 265920
4 27339964
5 3077883556
6 345505561776
7 40895629554933
8 4788769986049492
9 578161651518199128
10 69329034539728070792
11 8460129656506891963059
12 1028996276834209548728154

List of values

[0, 2896, 265920, 27339964, 3077883556, 345505561776, 40895629554933, 4788769986049492, 578161651518199128, 69329034539728070792, 8460129656506891963059, 1028996276834209548728154]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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