66541

Properties

Appears in sequences

• Primes p such that the largest prime divisor of p^4+1 is less than p.at n=9A102326
• Primes of the form 7*p^2+7*p-1 (with p=prime).at n=9A171138
• E.g.f.: exp(Sum_{n>=1} n*A000009(n)*x^n).at n=6A293841
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: exp(Sum_{j>=1} j^(k-1)*A000009(j)*x^j).at n=42A293908
• Prime numbersat n=6635