57107

Properties

Appears in sequences

• Number of 4-connected 4-regular polyhedra with n nodes.at n=15A007023
• Primes that are a concatenation of 5, 7 and a prime.at n=8A101249
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 721", based on the 5-celled von Neumann neighborhood.at n=34A273447
• Expansion of e.g.f.: tanh(x*W(x)), where W(x) = LambertW(-x)/(-x).at n=6A274279
• a(n) is the least prime p = prime(k) such that the next prime with the same last digit as p is prime(k+n).at n=19A340800
• Prime numbersat n=5791