314493domain: NAppears in sequencesNumber of conjugacy classes of subgroups of index n in free group of rank 2.at n=8A057005Integer part of log(n^n)^log(n).at n=20A062431Nearest integer to log(n^n)^log(n).at n=20A062432Number of 4-partitions of the fan graph F_{1,n} where every triangle uses exactly 2 parts.at n=12A390130