47796

Appears in sequences

• Numbers n such that n^6 + 545 is prime.at n=35A163592
• p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S^3)^3.at n=14A291143
• Sum of the prime parts in the partitions of n into 8 parts.at n=39A309469
• The number of vertices inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=4A333113
• Numbers m such that tau(m) = 2 * tau(m - 1) and simultaneously sigma(m) = 2 * sigma(m - 1), where tau(k) = A000005(k) and sigma(k) = A000203(k).at n=1A353033
• a(n) is the smallest n-gonal number whose sum of digits is n.at n=30A359003
• Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of vertices in the resulting planar graph.at n=40A367322