Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

A299316

Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =1a(2) =15a(3) =10a(4) =70a(5) =146a(6) =434a(7) =1206a(8) =3228a(9) =9186a(10) =24772a(11) =69398a(12) =189942a(13) =526396a(14) =1450524a(15) =4005122a(16) =11055658a(17) =30506770a(18) =84220672a(19) =232416524a(20) =641554400a(21) =1770641470a(22) =4887237832a(23) =13489036144a(24) =37230869642a(25) =102760304362a(26) =283626021494

External references