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.

A302805 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 16
2 384
3 5117
4 74072
5 1089773
6 15904814
7 232260380
8 3396923500
9 49653502029
10 725819333902
11 10610883930284
12 155117154439613
13 2267613174993517
14 33149833862902867
15 484610500065661957
16 7084420896663049377

List of values

[16, 384, 5117, 74072, 1089773, 15904814, 232260380, 3396923500, 49653502029, 725819333902, 10610883930284, 155117154439613, 2267613174993517, 33149833862902867, 484610500065661957, 7084420896663049377]

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

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