121452

Appears in sequences

• Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order.at n=26A114874
• a(n) = (p+2)!/p! where p is the n-th lesser twin prime, A001359(n).at n=20A126251
• Sequence whose G.f is given by: 1/(1-z)/(1-2*z)^2/(1-z-z^2).at n=11A173031