T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
A258894
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
Terms
- a(0) =242a(1) =900a(2) =900a(3) =3036a(4) =2304a(5) =3036a(6) =10201a(7) =4489a(8) =4489a(9) =10201a(10) =30870a(11) =10680a(12) =6072a(13) =10680a(14) =30870a(15) =94249a(16) =23409a(17) =8100a(18) =8100a(19) =23409a(20) =94249a(21) =271350a(22) =51188a(23) =12804a(24) =7225a(25) =12804a(26) =51188a(27) =271350a(28) =786769a(29) =104329
External references
- oeis: A258894