A297594 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s.
13, 121, 1141, 10131, 103673, 975485, 9403199, 90862063, 875241087, 8427042917, 81250292031, 782990517405, 7544924295103, 72709571496955, 700713916141533, 6752623088862903, 65073651435105965, 627109480901081661
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..1..1..0..0..1..1. .0..1..1..0..0..0..0. .0..0..0..0..0..0..0 ..0..0..0..0..0..0..0. .0..0..0..0..0..1..1. .0..0..0..0..1..1..0 ..1..1..0..0..0..0..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0 ..0..0..0..0..1..1..1. .0..0..1..1..0..1..0. .0..0..0..0..0..1..1 ..1..1..0..0..1..0..1. .0..0..0..0..0..0..1. .1..1..0..0..0..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 83
Crossrefs
Cf. A297595.
Formula
Empirical recurrence of order 83 (see link above)
Comments