Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

A304140

Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =99a(2) =33a(3) =25a(4) =135a(5) =34a(6) =48a(7) =785a(8) =96a(9) =164a(10) =5607a(11) =688a(12) =1198a(13) =43126a(14) =7146a(15) =13284a(16) =344363a(17) =85130a(18) =174124a(19) =2842665a(20) =1101826a(21) =2429578a(22) =24588566a(23) =15000202a(24) =34580418a(25) =227836525a(26) =209686868a(27) =495041722a(28) =2307698343a(29) =2968753906

External references