Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A253839

Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =263476a(1) =308576a(2) =654021a(3) =1139506a(4) =237202a(5) =295098a(6) =225776a(7) =103499a(8) =121541a(9) =121166a(10) =116836a(11) =127015a(12) =140669a(13) =134619a(14) =147544a(15) =162628a(16) =159254a(17) =167587a(18) =193122a(19) =178905a(20) =199064a(21) =221897a(22) =209560a(23) =227375a(24) =255465a(25) =238491a(26) =271541a(27) =287915a(28) =281716a(29) =308658

External references