Number of (n+3)X(2+3) 0..1 arrays with each row and column divisible by 9, read as a binary number with top and left being the most significant bits.
A262334
Number of (n+3)X(2+3) 0..1 arrays with each row and column divisible by 9, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =4a(1) =16a(2) =64a(3) =225a(4) =841a(5) =3249a(6) =12996a(7) =51984a(8) =207936a(9) =829921a(10) =3316041a(11) =13256881a(12) =53027524a(13) =212110096a(14) =848440384a(15) =3393645025a(16) =13574347081a(17) =54296922289a(18) =217187689156a(19) =868750756624
External references
- oeis: A262334