Number of length n+6 0..1 arrays with at most two downsteps in every 6 consecutive neighbor pairs.

A256814

Number of length n+6 0..1 arrays with at most two downsteps in every 6 consecutive neighbor pairs.

Terms

    a(0) =120a(1) =229a(2) =442a(3) =856a(4) =1656a(5) =3204a(6) =6192a(7) =11955a(8) =23088a(9) =44617a(10) =86226a(11) =166620a(12) =321960a(13) =622104a(14) =1202016a(15) =2322567a(16) =4487848a(17) =8671757a(18) =16756074a(19) =32377024a(20) =62560664a(21) =120883084a(22) =233577104a(23) =451331323a(24) =872088416a(25) =1685098737a(26) =3256043394

External references