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.

A303106 Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 361
3 17229
4 523578
5 22292709
6 906385523
7 37220475492
8 1524895247525
9 62554206264579
10 2565661994238856
11 105233833702602217
12 4316305100898465120
13 177039165517795607628
14 7261509407874389623218
15 297840901987105112478569

List of values

[0, 361, 17229, 523578, 22292709, 906385523, 37220475492, 1524895247525, 62554206264579, 2565661994238856, 105233833702602217, 4316305100898465120, 177039165517795607628, 7261509407874389623218, 297840901987105112478569]

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

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