Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

A299516

Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =1a(2) =12a(3) =5a(4) =33a(5) =55a(6) =132a(7) =272a(8) =630a(9) =1355a(10) =3010a(11) =6661a(12) =14688a(13) =32563a(14) =71941a(15) =159408a(16) =352601a(17) =781046a(18) =1728906a(19) =3829080a(20) =8478988a(21) =18778735a(22) =41589469a(23) =92113712a(24) =204020792a(25) =451891357a(26) =1000927728a(27) =2217056520a(28) =4910855519a(29) =10877806629

External references