86870

Appears in sequences

• Eigentriangle of triangle A022166: T(n,k) = A022166(n,k) * A125812(k).at n=47A143774
• Second elementary symmetric function of the first n terms of (1,2,4,8,...).at n=7A203241
• Number of set partitions of [n] into exactly four blocks such that all odd elements are in blocks with an odd index and all even elements are in blocks with an even index.at n=15A274868
• Sum of the fourth powers of the parts in the partitions of n into two distinct parts.at n=13A294288