Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.
A207925
Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.
Terms
- a(0) =15a(1) =225a(2) =360a(3) =1872a(4) =7744a(5) =29760a(6) =126688a(7) =520608a(8) =2103000a(9) =8741840a(10) =35823024a(11) =146214208a(12) =604202544a(13) =2474564288a(14) =10137402552a(15) =41768664000a(16) =171129168720a(17) =702148157568
External references
- oeis: A207925