Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A253837

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =28540a(1) =50462a(2) =135011a(3) =284109a(4) =167413a(5) =204420a(6) =196053a(7) =121909a(8) =138562a(9) =139402a(10) =141250a(11) =159838a(12) =168367a(13) =175214a(14) =189876a(15) =201617a(16) =215914a(17) =227036a(18) =250380a(19) =257766a(20) =272217a(21) =298454a(22) =305857a(23) =321184a(24) =358073a(25) =357590a(26) =388392a(27) =415853a(28) =424007a(29) =454393

External references