T(n,k)=Number of nXk 0..2 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

A282159

T(n,k)=Number of nXk 0..2 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =1a(9) =0a(10) =0a(11) =82a(12) =884a(13) =82a(14) =0a(15) =0a(16) =1599a(17) =37560a(18) =37560a(19) =1599a(20) =0a(21) =0a(22) =20256a(23) =449234a(24) =680348a(25) =449234a(26) =20256a(27) =0a(28) =0a(29) =217361

External references