Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2.
A255225
Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2.
Terms
- a(0) =61a(1) =67a(2) =76a(3) =88a(4) =106a(5) =133a(6) =172a(7) =229a(8) =313a(9) =436a(10) =616a(11) =880a(12) =1267a(13) =1834a(14) =2665a(15) =3883a(16) =5668a(17) =8284a(18) =12118a(19) =17737a(20) =25972a(21) =38041a(22) =55729a(23) =81652a(24) =119644a(25) =175324a(26) =256927a(27) =376522a(28) =551797a(29) =808675
External references
- oeis: A255225