70393

Properties

Appears in sequences

• Prime numbers p such that p +- ((p-1)/7) are primes.at n=32A137770
• Numbers n with property that n^2 starts and ends with 49.at n=30A159815
• Expansion of e.g.f. exp(x/(1-x-x^4)).at n=7A190878
• Expansion of 1 / Sum_{k>=0} (-x)^(k*(3*k - 1)/2).at n=45A308806
• Primes k such that the concatenation of (b, k, b) and (k, b, k) are both prime, where b is the binary representation of k.at n=24A389801
• Prime numbersat n=6976