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.

A302149 Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 10
3 88
4 1038
5 12212
6 145150
7 1728734
8 20614702
9 245896061
10 2933505447
11 34997746793
12 417542364526
13 4981538616301
14 59432971386326
15 709074352774052
16 8459725853179692
17 100930145043164198
18 1204163804664423408

List of values

[1, 10, 88, 1038, 12212, 145150, 1728734, 20614702, 245896061, 2933505447, 34997746793, 417542364526, 4981538616301, 59432971386326, 709074352774052, 8459725853179692, 100930145043164198, 1204163804664423408]

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

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