Number of length-n binary vectors beginning with 0, ending with 1, and avoiding 7 consecutive 0's and 7 consecutive 1's.

A283837

Number of length-n binary vectors beginning with 0, ending with 1, and avoiding 7 consecutive 0's and 7 consecutive 1's.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =2a(4) =4a(5) =8a(6) =16a(7) =32a(8) =62a(9) =124a(10) =246a(11) =488a(12) =968a(13) =1920a(14) =3809a(15) =7554a(16) =14985a(17) =29724a(18) =58960a(19) =116952a(20) =231984a(21) =460160a(22) =912764a(23) =1810544a(24) =3591364a(25) =7123768a(26) =14130584a(27) =28029184a(28) =55598209a(29) =110283652

External references