Number of nX5 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

A305513

Number of nX5 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =8a(2) =8a(3) =13a(4) =62a(5) =108a(6) =353a(7) =982a(8) =2362a(9) =6902a(10) =17966a(11) =48328a(12) =131033a(13) =349168a(14) =943670a(15) =2530452a(16) =6802772a(17) =18299554a(18) =49143209a(19) =132162126a(20) =355171176a(21) =954616216a(22) =2566141784a(23) =6896886200a(24) =18538660531a(25) =49829019816a(26) =133932941742a(27) =359997398044

External references