T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.

A263337

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.

Terms

    a(0) =3a(1) =7a(2) =7a(3) =19a(4) =19a(5) =19a(6) =57a(7) =57a(8) =57a(9) =57a(10) =169a(11) =409a(12) =277a(13) =409a(14) =169a(15) =505a(16) =2047a(17) =8983a(18) =8983a(19) =2047a(20) =505a(21) =1515a(22) =10747a(23) =86743a(24) =702549a(25) =86743a(26) =10747a(27) =1515a(28) =4543a(29) =70423

External references