Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

A299183

Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =29a(2) =27a(3) =75a(4) =191a(5) =401a(6) =952a(7) =2258a(8) =5275a(9) =13250a(10) =32268a(11) =77769a(12) =191931a(13) =469537a(14) =1146722a(15) =2829540a(16) =6941097a(17) =16987427a(18) =41832684a(19) =102763482a(20) =252007870a(21) =619897823a(22) =1523184474a(23) =3738568449a(24) =9191254923a(25) =22587057264a(26) =55465702765a(27) =136320314139

External references