27881

Appears in sequences

• Number of trees with n nodes and 8 leaves.at n=9A055295
• Beginning with 2, least number such that concatenation of r copies of a(r), r = 1 to n is prime.at n=48A090559
• a(n) = 24*n^2 + 52*n + 29.at n=33A258721
• Small positive integer solutions of the simultaneous equations y = ax + b and y^2 = ax^3 + b.at n=58A262598