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.

A302271 Number of 7 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 64
2 8192
3 126162
4 2727755
5 49315068
6 982041385
7 18964765818
8 367139778723
9 7164671008446
10 139068565629649
11 2707332855884141
12 52711100145391758
13 1025817729699289943
14 19978633136068450415
15 389042172263675668618

List of values

[64, 8192, 126162, 2727755, 49315068, 982041385, 18964765818, 367139778723, 7164671008446, 139068565629649, 2707332855884141, 52711100145391758, 1025817729699289943, 19978633136068450415, 389042172263675668618]

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

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