Number of 11-almost primes 11ap such that 2^n < 11ap <= 2^(n+1).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =1a(11) =1a(12) =5a(13) =8a(14) =22a(15) =47a(16) =103a(17) =234a(18) =490a(19) =1078a(20) =2261a(21) =4844a(22) =10294a(23) =21659a(24) =45609a(25) =95580a(26) =200422a(27) =417715a(28) =871452a(29) =1811412