Number of (n+2)X(3+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.
A262315
Number of (n+2)X(3+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =5a(1) =9a(2) =17a(3) =133a(4) =361a(5) =1009a(6) =8357a(7) =33993a(8) =127121a(9) =795013a(10) =3876585a(11) =16907121a(12) =90644645a(13) =463649609a(14) =2179845009a(15) =11046180229a(16) =56646588009a(17) =276046895345
External references
- oeis: A262315