Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero.

A297888

Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =64a(1) =301a(2) =99a(3) =223a(4) =248a(5) =264a(6) =433a(7) =579a(8) =650a(9) =1124a(10) =1469a(11) =2441a(12) =3648a(13) =5209a(14) =7873a(15) =12122a(16) =19094a(17) =29449a(18) =44412a(19) =68113a(20) =105988a(21) =167722a(22) =263789a(23) =411020a(24) =634939a(25) =986095a(26) =1564186a(27) =2480268a(28) =3902903a(29) =6131597

External references