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

A297856

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

Terms

    a(0) =5a(1) =49a(2) =33a(3) =90a(4) =81a(5) =131a(6) =146a(7) =252a(8) =320a(9) =522a(10) =705a(11) =1188a(12) =1654a(13) =2554a(14) =4086a(15) =6240a(16) =9384a(17) =14677a(18) =22912a(19) =34760a(20) =54598a(21) =85044a(22) =131603a(23) =204203a(24) =317467a(25) =494005a(26) =767077a(27) =1194926a(28) =1861059a(29) =2894147

External references