257532

Appears in sequences

• Number of rooted trees with 3 nodes of disjoint sets of labels with union {1..n}. If a node has an empty set of labels then it must have at least two children.at n=10A005173
• Numerators of continued fraction convergents to sqrt(148).at n=4A041270
• a(n) = 12*a(n-1) + a(n-2), with a(0) = 2 and a(1) = 12.at n=5A086928
• a(n) = n^5 + 5*n^3 + 5*n.at n=12A261391