39838

Appears in sequences

• p-INVERT of the even positive integers (A005843), where p(S) = 1 - S - S^2.at n=6A289787
• a(n) = Sum_{p in P} (H(2,p)^2)/2, where P is the set of partitions of n, and H(2,p) is the number of hooks of length 2 in p.at n=30A302348