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.

A188749 Number of 4 X n binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally.

Table of values

n a(n)
1 13
2 169
3 1651
4 17286
5 184411
6 1944586
7 20544154
8 217243096
9 2296414963
10 24275369558
11 256625412014
12 2712870938389
13 28678635692942
14 303171638077403
15 3204930092906176
16 33880400190604953
17 358161194075528039

List of values

[13, 169, 1651, 17286, 184411, 1944586, 20544154, 217243096, 2296414963, 24275369558, 256625412014, 2712870938389, 28678635692942, 303171638077403, 3204930092906176, 33880400190604953, 358161194075528039]

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

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