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.

A300464 Number of nX7 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 0
2 41
3 212
4 2585
5 55663
6 935121
7 17675111
8 330639367
9 6123205255
10 114735094931
11 2136975985538
12 39899944005038
13 744635053156875
14 13895291324256516
15 259332066899793610
16 4839626748377777725
17 90318818165804970003

List of values

[0, 41, 212, 2585, 55663, 935121, 17675111, 330639367, 6123205255, 114735094931, 2136975985538, 39899944005038, 744635053156875, 13895291324256516, 259332066899793610, 4839626748377777725, 90318818165804970003]

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

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