Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

A298292

Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =32a(1) =137a(2) =72a(3) =233a(4) =515a(5) =990a(6) =1798a(7) =4079a(8) =9026a(9) =18246a(10) =39612a(11) =86150a(12) =184768a(13) =396522a(14) =854978a(15) =1840676a(16) =3976611a(17) =8577126a(18) =18505102a(19) =40008385a(20) =86432218a(21) =186718489a(22) =403706444a(23) =872806433a(24) =1886931887a(25) =4080348203a(26) =8825031925a(27) =19084949119

External references