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.

A302009 Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 64
2 8192
3 772272
4 75450768
5 7350348800
6 716213306576
7 69786476414080
8 6799869079320928
9 662567007297568064
10 64559337205664347760
11 6290545670866971762128
12 612939453077470915120704

List of values

[64, 8192, 772272, 75450768, 7350348800, 716213306576, 69786476414080, 6799869079320928, 662567007297568064, 64559337205664347760, 6290545670866971762128, 612939453077470915120704]

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

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