Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

A298052

Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =23a(2) =23a(3) =73a(4) =121a(5) =231a(6) =422a(7) =865a(8) =1729a(9) =3286a(10) =6319a(11) =12563a(12) =24164a(13) =46151a(14) =91180a(15) =179529a(16) =348543a(17) =679612a(18) =1324925a(19) =2580453a(20) =5044253a(21) =9857924a(22) =19226398a(23) =37521143a(24) =73217267a(25) =142924098a(26) =278999274a(27) =544730946a(28) =1063235208a(29) =2075512334

External references