a(n) is the number of binary (0,1) sequences of length n that have at least two ones in each window of eight consecutive symbols.

A335247

a(n) is the number of binary (0,1) sequences of length n that have at least two ones in each window of eight consecutive symbols.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =127a(8) =247a(9) =487a(10) =961a(11) =1897a(12) =3745a(13) =7393a(14) =14593a(15) =28801a(16) =56833a(17) =112156a(18) =221341a(19) =436825a(20) =862094a(21) =1701380a(22) =3357739a(23) =6626611a(24) =13077820a(25) =25809478a(26) =50935832a(27) =100523529a(28) =198386490a(29) =391522260

External references