A186179 Number of (n+2)X10 0..5 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
7459396065112, 1400823449171621, 132151619698400257, 8143852416376007571, 366735655207529538678, 12873752982804494965778, 367664080675457084952938, 8806300375583656355791730, 180948530569018142116132834
Offset: 1
Keywords
Examples
Some solutions for 4X10 ..0..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0..0..1 ..0..0..0..0..0..0..0..0..0..2....0..0..0..0..0..0..0..0..1..1 ..0..0..0..0..0..0..0..0..2..1....0..0..0..0..0..0..0..0..2..3 ..0..0..0..0..0..0..0..3..5..2....0..0..0..0..0..0..0..0..2..4
Links
- Ron Hardin, Table of n, a(n) for n = 1..11
Comments