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.

A303083 Number of n X 7 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 496
3 2525
4 33152
5 636070
6 13375327
7 266882021
8 5754725245
9 125608726910
10 2751441878716
11 60560951633302
12 1338653889825967
13 29617783009064771
14 655764759948936409
15 14528234528855832400
16 321957970196713225956

List of values

[1, 496, 2525, 33152, 636070, 13375327, 266882021, 5754725245, 125608726910, 2751441878716, 60560951633302, 1338653889825967, 29617783009064771, 655764759948936409, 14528234528855832400, 321957970196713225956]

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

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