Number of n X 3 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

A316422

Number of n X 3 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =9a(2) =14a(3) =32a(4) =75a(5) =148a(6) =311a(7) =687a(8) =1443a(9) =3042a(10) =6534a(11) =13887a(12) =29434a(13) =62747a(14) =133549a(15) =283771a(16) =603852a(17) =1284974a(18) =2732689a(19) =5813170a(20) =12367681a(21) =26307833a(22) =55962509a(23) =119051548a(24) =253252756a(25) =538730285a(26) =1146033768a(27) =2437923337a(28) =5186096335a(29) =11032236021

External references