Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253838
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =91296a(1) =127376a(2) =294870a(3) =550535a(4) =156876a(5) =209862a(6) =168884a(7) =85994a(8) =98010a(9) =105807a(10) =97464a(11) =111967a(12) =116598a(13) =123855a(14) =128600a(15) =147622a(16) =143446a(17) =157728a(18) =170206a(19) =173129a(20) =181512a(21) =212428a(22) =198020a(23) =220903a(24) =238078a(25) =240784a(26) =257584a(27) =285985a(28) =274432a(29) =310773
External references
- oeis: A253838