233009

Appears in sequences

• Expansion of g.f. (1-x-x^3+x^4-2*x^2)/((1-2*x)*(x-1)^2*(x+1)^2).at n=21A106157
• Bases b where exactly ten primes p with p < b exist such that p is a base-b Wieferich prime.at n=6A325886