148051

Appears in sequences

• G.f. satisfies: A(x) = 1 + Sum_{n>=1} x^n * A(n^2*x)^(1/n).at n=7A158889
• Number of compositions of n into exactly three different parts with distinct multiplicities.at n=10A246230
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal numbers in exactly n ways, or 0 if no such number exists.at n=27A350405