Number of n X 4 0..1 arrays with every element unequal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A317262

Number of n X 4 0..1 arrays with every element unequal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =5a(1) =17a(2) =21a(3) =74a(4) =158a(5) =440a(6) =1220a(7) =3655a(8) =10907a(9) =33353a(10) =105116a(11) =333129a(12) =1058444a(13) =3400117a(14) =10980660a(15) =35537467a(16) =115249353a(17) =374708401a(18) =1220117014a(19) =3975988754a(20) =12966960042a(21) =42319911302a(22) =138179803155a(23) =451316645803

External references