Number of nX5 0..1 arrays with every element unequal to 0, 1, 3 or 6 king-move adjacent elements, with upper left element zero.

A304130

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =31a(2) =33a(3) =80a(4) =176a(5) =320a(6) =582a(7) =1112a(8) =2178a(9) =4222a(10) =8066a(11) =15568a(12) =30220a(13) =58392a(14) =112902a(15) =218678a(16) =423402a(17) =820096a(18) =1588910a(19) =3078264a(20) =5965222a(21) =11561350a(22) =22406984a(23) =43430950a(24) =84187876a(25) =163195112a(26) =316358564a(27) =613292350a(28) =1188948430a(29) =2304970530

External references