Number of n X 6 0..1 arrays with every element unequal to 0, 1, 3 or 8 king-move adjacent elements, with upper left element zero.

A304219

Number of n X 6 0..1 arrays with every element unequal to 0, 1, 3 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =13a(1) =49a(2) =56a(3) =108a(4) =279a(5) =740a(6) =1628a(7) =3759a(8) =9029a(9) =20849a(10) =48072a(11) =112793a(12) =263016a(13) =610412a(14) =1423125a(15) =3318263a(16) =7722039a(17) =17983738a(18) =41903265a(19) =97586352a(20) =227264234a(21) =529380169a(22) =1233005995a(23) =2871700339a(24) =6688659016a(25) =15578951215a(26) =36284973732a(27) =84512326804

External references