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.

A293083 Number of n X 4 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 0
2 23
3 486
4 8108
5 126903
6 1955375
7 30064393
8 462569756
9 7127871677
10 110032675158
11 1701716646013
12 26365297553133
13 409178131040177
14 6360241131134572
15 99006293076495153
16 1543225051401234780
17 24083853470118205024

List of values

[0, 23, 486, 8108, 126903, 1955375, 30064393, 462569756, 7127871677, 110032675158, 1701716646013, 26365297553133, 409178131040177, 6360241131134572, 99006293076495153, 1543225051401234780, 24083853470118205024]

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

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