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.

A302155 Number of 7 X n 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 64
2 1
3 260
4 1025
5 8152
6 128319
7 1728734
8 26544210
9 439103633
10 7478635467
11 131386907715
12 2344378104516
13 42235221450124
14 765312882037454
15 13907043370373429
16 253045503157946243
17 4606517701125024786

List of values

[64, 1, 260, 1025, 8152, 128319, 1728734, 26544210, 439103633, 7478635467, 131386907715, 2344378104516, 42235221450124, 765312882037454, 13907043370373429, 253045503157946243, 4606517701125024786]

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

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