Number of n X 4 0..1 arrays with every element equal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

A297982

Number of n X 4 0..1 arrays with every element equal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =17a(2) =5a(3) =15a(4) =23a(5) =43a(6) =79a(7) =184a(8) =380a(9) =830a(10) =1776a(11) =3815a(12) =8227a(13) =17737a(14) =38335a(15) =82673a(16) =178600a(17) =385419a(18) =832806a(19) =1798455a(20) =3885410a(21) =8392102a(22) =18129621a(23) =39164405a(24) =84609476a(25) =182786176a(26) =394886142a(27) =853110431a(28) =1843063212a(29) =3981796702

External references