Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A257428
Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =10684a(1) =30309a(2) =117324a(3) =450756a(4) =1557227a(5) =5347670a(6) =18009368a(7) =56974502a(8) =175429523a(9) =529347970a(10) =1564618576a(11) =4562215480a(12) =13164718505a(13) =37620437052a(14) =106719838002a(15) =300955191132a(16) =844418347509
External references
- oeis: A257428