Number of n X 3 0..1 arrays with every element equal to 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

A298141

Number of n X 3 0..1 arrays with every element equal to 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =2a(2) =0a(3) =2a(4) =1a(5) =6a(6) =8a(7) =15a(8) =22a(9) =44a(10) =82a(11) =152a(12) =267a(13) =486a(14) =898a(15) =1675a(16) =3088a(17) =5686a(18) =10512a(19) =19530a(20) =36309a(21) =67442a(22) =125268a(23) =232951a(24) =433598a(25) =807304a(26) =1503082a(27) =2798968a(28) =5213647a(29) =9713698

External references