Number of nX5 0..1 arrays with every element unequal to 0, 1, 3 or 8 king-move adjacent elements, with upper left element zero.

A304218

Number of nX5 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) =8a(1) =31a(2) =32a(3) =62a(4) =141a(5) =279a(6) =509a(7) =996a(8) =1951a(9) =3730a(10) =7226a(11) =14057a(12) =27115a(13) =52441a(14) =101656a(15) =196607a(16) =380302a(17) =736320a(18) =1424847a(19) =2756841a(20) =5335651a(21) =10325750a(22) =19981093a(23) =38668162a(24) =74831614a(25) =144811183a(26) =280238429a(27) =542319561a(28) =1049489470a(29) =2030965075

External references