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.

A180768 Half the number of n X 8 binary arrays with each element equal to at least one neighbor.

Table of values

n a(n)
1 13
2 3809
3 549125
4 82032712
5 12387396391
6 1865051797753
7 280971809714842
8 42325704140613463
9 6375989200126477033
10 960486733026829603882
11 144688833229486140773839
12 21796094961106865613962841

List of values

[13, 3809, 549125, 82032712, 12387396391, 1865051797753, 280971809714842, 42325704140613463, 6375989200126477033, 960486733026829603882, 144688833229486140773839, 21796094961106865613962841]

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

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