a(n) is the number m such that f(sqrt(n)) is in the field Q(sqrt(m)), where f(x) is defined from the continued fraction x = [c(0), c(1), ... ] as [c(0) + 1, c(1) + 1, ...].
A229957
a(n) is the number m such that f(sqrt(n)) is in the field Q(sqrt(m)), where f(x) is defined from the continued fraction x = [c(0), c(1), ... ] as [c(0) + 1, c(1) + 1, ...].
Terms
- a(0) =1a(1) =13a(2) =15a(3) =1a(4) =29a(5) =285a(6) =34a(7) =35a(8) =1a(9) =53a(10) =14a(11) =21a(12) =51533a(13) =62a(14) =7a(15) =1a(16) =85a(17) =5a(18) =1299599a(19) =93a(20) =17765a(21) =16445a(22) =2a(23) =11a(24) =1a(25) =5a(26) =1155a(27) =1610a(28) =112897a(29) =1221
External references
- oeis: A229957