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.

A303038 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 13
2 113
3 150
4 869
5 3069
6 13597
7 63254
8 298328
9 1487003
10 7748342
11 41876150
12 234739185
13 1358331357
14 8044921674
15 48567141833
16 297402619344
17 1839614527950
18 11463650530293
19 71813104193006
20 451521024746927
21 2846294049645254

List of values

[13, 113, 150, 869, 3069, 13597, 63254, 298328, 1487003, 7748342, 41876150, 234739185, 1358331357, 8044921674, 48567141833, 297402619344, 1839614527950, 11463650530293, 71813104193006, 451521024746927, 2846294049645254]

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

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