a(n) = numerator of the sum of reciprocals of those positive integers which are <= n and are not among earlier terms of A130502.
A130502
a(n) = numerator of the sum of reciprocals of those positive integers which are <= n and are not among earlier terms of A130502.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =13a(4) =13a(5) =5a(6) =39a(7) =85a(8) =821a(9) =4357a(10) =50447a(11) =52757a(12) =52757a(13) =54737a(14) =11317a(15) =23327a(16) =407647a(17) =139373a(18) =2710919a(19) =13853047a(20) =4712429a(21) =4802869a(22) =112455667a(23) =343087331a(24) =1742894239a(25) =23000844907a(26) =209982175763a(27) =212850512663
External references
- oeis: A130502