54725domain: NAppears in sequencesNumber of n-node rooted identity trees of height 5.at n=19A038089Integer part of log(n^n)^(1 + log(1 + log(1 + n))).at n=26A062451Nearest integer to log(n^n)^(1 + log(1 + log(1 + n))).at n=26A062452Number of binary digits in (n!)!.at n=7A152168