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

A298095

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

Terms

    a(0) =0a(1) =1a(2) =0a(3) =1a(4) =0a(5) =3a(6) =0a(7) =7a(8) =2a(9) =19a(10) =10a(11) =53a(12) =42a(13) =153a(14) =156a(15) =453a(16) =548a(17) =1367a(18) =1860a(19) =4187a(20) =6182a(21) =12967a(22) =20270a(23) =40489a(24) =65870a(25) =127181a(26) =212768a(27) =401209a(28) =684456a(29) =1269547

External references