Number of 5 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
A207173
Number of 5 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =10a(1) =100a(2) =270a(3) =1161a(4) =3445a(5) =8455a(6) =26908a(7) =82861a(8) =228060a(9) =672760a(10) =2029041a(11) =5846337a(12) =17039101a(13) =50518174a(14) =147655795a(15) =430953736a(16) =1267685262a(17) =3717105229a(18) =10874111625a(19) =31898934243a(20) =93554384968a(21) =274033182253a(22) =803273682808
External references
- oeis: A207173