Number of length n+7 0..1 arrays with at most two downsteps in every 7 consecutive neighbor pairs.

A256815

Number of length n+7 0..1 arrays with at most two downsteps in every 7 consecutive neighbor pairs.

Terms

    a(0) =219a(1) =402a(2) =753a(3) =1424a(4) =2693a(5) =5088a(6) =9613a(7) =18104a(8) =34013a(9) =63928a(10) =120362a(11) =226816a(12) =427341a(13) =804974a(14) =1516179a(15) =2855304a(16) =5376354a(17) =10123582a(18) =19065294a(19) =35907400a(20) =67626166a(21) =127359488a(22) =239852341a(23) =451704432a(24) =850669960a(25) =1602023036a(26) =3017039568

External references