A186214 Number of (n+1)X5 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.
3593, 197619, 6275745, 255375977, 9406230423, 363322785761, 13767728347159, 526156623567189, 20038980564800735, 764392776658915834, 29139515896102512134, 1111151581724887298470, 42365735451420875473052
Offset: 1
Keywords
Examples
Some solutions for 3X5 ..0..2..1..1..1....1..0..0..0..2....1..0..1..1..2....2..0..1..0..1 ..0..0..0..0..0....0..0..0..2..2....0..0..0..0..0....0..0..0..0..0 ..2..2..2..2..1....1..1..2..2..0....0..0..0..1..1....1..0..1..2..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..77
Comments