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.

A133515 Number of n X n binary matrices with every 1 vertically or horizontally adjacent to some 0.

Original entry on oeis.org

1, 11, 291, 28661, 10982565, 16031828359, 89373230342147, 1904212088591018521, 155026375803222057878889, 48225130114674924906540348115, 57322477811272486520770053115140403, 260351257812272076026660518356378279922077
Offset: 1

Views

Author

R. H. Hardin, Dec 24 2007

Keywords

Comments

Number of dominating sets in the grid graph P_n X P_n. - Andrew Howroyd, May 10 2017

Crossrefs

Main diagonal of A218354.

Extensions

a(12) from Andrew Howroyd, May 10 2017