T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.

A186200

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.

Terms

    a(0) =256a(1) =3692a(2) =3692a(3) =53462a(4) =177828a(5) =53462a(6) =773776a(7) =8615618a(8) =8615618a(9) =773776a(10) =11199932a(11) =417088596a(12) =1399352132a(13) =417088596a(14) =11199932a(15) =162110182a(16) =20193981078a(17) =227037055176a(18) =227037055176a(19) =20193981078a(20) =162110182a(21) =2346415828a(22) =977699814950

External references