29672domain: NAppears in sequencesa(n) = 5^n mod n^5.at n=10A066609Number of partitions of n into parts whose bitwise AND equals 0.at n=39A307435a(n) = n! * Sum_{k=1..n} (-1)^k * (k-2) / (k-1)!.at n=8A348311Fourth Lie-Betti number of a path graph on n vertices.at n=25A362007