Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2.

A255226

Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2.

Terms

    a(0) =88a(1) =94a(2) =103a(3) =115a(4) =133a(5) =160a(6) =199a(7) =256a(8) =340a(9) =463a(10) =643a(11) =907a(12) =1294a(13) =1861a(14) =2692a(15) =3910a(16) =5695a(17) =8311a(18) =12145a(19) =17764a(20) =25999a(21) =38068a(22) =55756a(23) =81679a(24) =119671a(25) =175351a(26) =256954a(27) =376549a(28) =551824a(29) =808702

External references