24491

Appears in sequences

• Smallest k>1 such that k(p-1)-1 is divisible by p^2, p=n-th prime.at n=36A039914
• Number of maximal sets of partitions of n with property that all parts in all partitions in the set are distinct.at n=27A068598
• Expansion of 1/(1 - x - 2*x^2 - 2*x^3).at n=13A077946
• p^2-p-1 that is not prime, where p is prime.at n=19A119609
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 0, 1), (1, -1, 1), (1, 1, 0)}.at n=9A149151
• Number of unlabeled rooted trees with n vertices such that every branch of the root has a different number of leaves.at n=13A298535
• a(n) = p^2 - p - 1 where p = prime(n), the n-th prime.at n=36A306190