T(n,k) = Number of zero-sum n X k -3..3 arrays with every element equal to at least one horizontal or vertical neighbor.
A202134
T(n,k) = Number of zero-sum n X k -3..3 arrays with every element equal to at least one horizontal or vertical neighbor.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =13a(5) =1a(6) =7a(7) =123a(8) =123a(9) =7a(10) =5a(11) =1205a(12) =1857a(13) =1205a(14) =5a(15) =43a(16) =12287a(17) =135315a(18) =135315a(19) =12287a(20) =43a(21) =43a(22) =135179a(23) =3767643a(24) =22197147a(25) =3767643a(26) =135179a(27) =43a(28) =275a(29) =1493247
External references
- oeis: A202134