83587

Appears in sequences

• Numbers k such that the decimal part of k^(1/6) starts with a 'nine digits' anagram.at n=29A034281
• Numbers k such that 10^k + 5*R_k + 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=14A102937
• Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n.at n=37A208972
• E.g.f.: -LambertW(-x)/(1+x).at n=7A277511