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.

A232071 Number of (n+1)X(3+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.

Table of values

n a(n)
1 46
2 520
3 6624
4 82996
5 1043172
6 13105012
7 164650280
8 2068621706
9 25989674166
10 326528021922
11 4102419848778
12 51541819920986
13 647559075731254
14 8135777066019200
15 102215953652767856
16 1284216749830662044

List of values

[46, 520, 6624, 82996, 1043172, 13105012, 164650280, 2068621706, 25989674166, 326528021922, 4102419848778, 51541819920986, 647559075731254, 8135777066019200, 102215953652767856, 1284216749830662044]

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

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