T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with each row and column divisible by 5, read as a base-3 number with top and left being the most significant digits.
A263224
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with each row and column divisible by 5, read as a base-3 number with top and left being the most significant digits.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =14a(5) =4a(6) =7a(7) =72a(8) =72a(9) =7a(10) =13a(11) =343a(12) =1009a(13) =343a(14) =13a(15) =26a(16) =1920a(17) =12601a(18) =12601a(19) =1920a(20) =26a(21) =52a(22) =11444a(23) =198892a(24) =475539a(25) =198892a(26) =11444a(27) =52a(28) =103a(29) =68112
External references
- oeis: A263224