Number of (n+2) X (2+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.
A262268
Number of (n+2) X (2+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =4a(1) =16a(2) =49a(3) =169a(4) =676a(5) =2704a(6) =10609a(7) =42025a(8) =168100a(9) =672400a(10) =2686321a(11) =10738729a(12) =42954916a(13) =171819664a(14) =687226225a(15) =2748800041a(16) =10995200164a(17) =43980800656a(18) =175922363761a(19) =703687777321
External references
- oeis: A262268