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.

A232320 Number of (4+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

Table of values

n a(n)
1 34
2 551
3 10409
4 231454
5 5142441
6 113293694
7 2499669158
8 55147236337
9 1216656297612
10 26841719357568
11 592179351445235
12 13064599837184618
13 288229857559634498
14 6358897503996161509
15 140289343114550595132

List of values

[34, 551, 10409, 231454, 5142441, 113293694, 2499669158, 55147236337, 1216656297612, 26841719357568, 592179351445235, 13064599837184618, 288229857559634498, 6358897503996161509, 140289343114550595132]

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

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