91611domain: NAppears in sequencesNumber of trees on n nodes with 3 forbidden limbs of size 4, 5 and 6.at n=16A014278Number of subsets of {1,..,n} of cardinality >= 2 such that the elements of each counted subset are pairwise coprime.at n=35A276187Number of 5-element subsets of [n] whose sum is a triangular number.at n=41A320851