69483

Appears in sequences

• Expansion of (1/theta_4(q)^2 -1)/4 in powers of q.at n=17A002318
• a(n) = (2*n - 1)*(3*n^2 - 3*n + 2)/2.at n=28A063491
• Number of lone-child-avoiding locally disjoint rooted trees whose leaves are integer partitions whose multiset union is an integer partition of n.at n=10A331678