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.

A300203 Number of n X 3 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Table of values

n a(n)
1 4
2 32
3 248
4 1933
5 15070
6 117494
7 916061
8 7142233
9 55685704
10 434163629
11 3385035032
12 26392036123
13 205770269515
14 1604325017633
15 12508409345459
16 97524069396190
17 760363995846334
18 5928315027859268
19 46221177306565661
20 360371745017815198

List of values

[4, 32, 248, 1933, 15070, 117494, 916061, 7142233, 55685704, 434163629, 3385035032, 26392036123, 205770269515, 1604325017633, 12508409345459, 97524069396190, 760363995846334, 5928315027859268, 46221177306565661, 360371745017815198]

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

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