665215
domain: N
Appears in sequences
- In the '3x+1' problem, these values for the starting value set new records for highest point of trajectory before reaching 1.at n=23A006884
- Denominators of continued fraction convergents to sqrt(794).at n=14A042531
- Smallest number which requires n^2 steps in the 3x+1 problem.at n=21A066773
- G.f. A(x) equals the limit of the composition of functions (x+x^n) in reverse order; let F_1(x) = x, F_{n+1}(x) = F_n(x) + F_n(x)^(n+1), then A(x) = limit F_n(x): A(x) = ...o x+x^n o ... o x+x^3 o x+x^2 o x.at n=15A119471
- Least number whose Collatz 3x+1 trajectory contains a number >= 2^n.at n=35A222292