Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 8 king-move adjacent elements, with upper left element zero.

A305249

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =35a(2) =34a(3) =79a(4) =203a(5) =439a(6) =1010a(7) =2382a(8) =5699a(9) =13811a(10) =33747a(11) =82601a(12) =203917a(13) =507126a(14) =1264787a(15) =3160200a(16) =7913799a(17) =19862255a(18) =49931957a(19) =125642182a(20) =316372417a(21) =797186969a(22) =2009925584a(23) =5069682263a(24) =12790992384a(25) =32279577446a(26) =81477816804a(27) =205693851559

External references