23319

Appears in sequences

• Frobenius number of the numerical semigroup generated by three consecutive pyramidal numbers.at n=8A069762
• Smallest number which does not use digit n-1 written in base n, but does use digit b-1 written in base b for any 1<b<n.at n=13A119354
• Number of rooted trees with n nodes, where cycles are allowed instead of subtrees.at n=13A213674
• Numbers n such that n = pi(n) + uphi(n), where pi = A000720, uphi = A047994.at n=9A298761