T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.

A236123

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.

Terms

    a(0) =256a(1) =3096a(2) =3096a(3) =37584a(4) =91128a(5) =37584a(6) =455808a(7) =2692656a(8) =2692656a(9) =455808a(10) =5529360a(11) =79581792a(12) =193943760a(13) =79581792a(14) =5529360a(15) =67071552a(16) =2351803200a(17) =13978797888a(18) =13978797888a(19) =2351803200a(20) =67071552a(21) =813596592a(22) =69503976144

External references