Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

A298886

Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =5a(1) =49a(2) =34a(3) =141a(4) =243a(5) =516a(6) =814a(7) =1646a(8) =3312a(9) =6565a(10) =13040a(11) =25941a(12) =51679a(13) =103895a(14) =205265a(15) =411011a(16) =821599a(17) =1643914a(18) =3279755a(19) =6573928a(20) =13136700a(21) =26293574a(22) =52604464a(23) =105288984a(24) =210671989a(25) =421821199a(26) =844171966a(27) =1689881070a(28) =3382803573

External references