71628

Appears in sequences

• First of three consecutive Ulam numbers (A002858) in arithmetic progression with difference 22.at n=31A068856
• Number of n-node rooted identity trees with thinning limbs and root outdegree (branching factor) 5.at n=13A245124
• a(n) is the sum of distinct sums of all subsets with two or more elements of {1, 2, ..., n}.at n=27A375764