59676

Appears in sequences

• 2nd power of rooted tree enumerator; number of linear forests of 2 rooted trees.at n=12A000106
• Triangle T read by rows: T(m,n) = number of convex polyominoes with an m+1 X n+1 minimal bounding rectangle, m > 0, n <= m.at n=23A093118
• Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero.at n=34A208598
• Centered pentagonal numbers that are abundant.at n=26A382696