Numerator of n-th term of the harmonic series after removal of all terms 1/m from Sum_{m=1..n} 1/m for which m contains a 9 in its decimal representation.
A111935
Numerator of n-th term of the harmonic series after removal of all terms 1/m from Sum_{m=1..n} 1/m for which m contains a 9 in its decimal representation.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =25a(4) =137a(5) =49a(6) =363a(7) =761a(8) =789a(9) =8959a(10) =27647a(11) =368651a(12) =377231a(13) =128413a(14) =261831a(15) =4531207a(16) =41461543a(17) =8414831a(18) =8531519a(19) =8642903a(20) =201237217a(21) =203585563a(22) =5145999379a(23) =5200191979a(24) =15757132337a(25) =15908097437a(26) =16048998197a(27) =501745966907
External references
- oeis: A111935