Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 3 king-move adjacent elements, with upper left element zero.

A303725

Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 3 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =32a(1) =293a(2) =151a(3) =221a(4) =345a(5) =569a(6) =894a(7) =1402a(8) =2341a(9) =3998a(10) =6796a(11) =11609a(12) =19890a(13) =34076a(14) =58545a(15) =100728a(16) =173218a(17) =297967a(18) =512794a(19) =882484a(20) =1518819a(21) =2614340a(22) =4500016a(23) =7745865a(24) =13333492a(25) =22951984a(26) =39509087a(27) =68010918a(28) =117074304a(29) =201532279

External references