a(n) is the number of binary (0,1) sequences of length n that have at most two zeros in a window of seven consecutive symbols.
A334251
a(n) is the number of binary (0,1) sequences of length n that have at most two zeros in a window of seven consecutive symbols.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =7a(4) =11a(5) =16a(6) =22a(7) =29a(8) =43a(9) =66a(10) =102a(11) =157a(12) =239a(13) =358a(14) =526a(15) =777a(16) =1159a(17) =1740a(18) =2619a(19) =3942a(20) =5923a(21) =8870a(22) =13259a(23) =19822a(24) =29667a(25) =44451a(26) =66641a(27) =99912a(28) =149745a(29) =224338
External references
- oeis: A334251