Number of n X 5 0..1 arrays with every element equal to 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

A298164

Number of n X 5 0..1 arrays with every element equal to 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =3a(2) =3a(3) =6a(4) =10a(5) =18a(6) =32a(7) =80a(8) =171a(9) =528a(10) =1439a(11) =4889a(12) =15449a(13) =53949a(14) =182180a(15) =637755a(16) =2204512a(17) =7715118a(18) =26867102a(19) =93989058a(20) =328149079a(21) =1147549260a(22) =4010085072a(23) =14021225991a(24) =49011288024a(25) =171356237471a(26) =599040489814

External references