1190050

Appears in sequences

• Numbers k for which 10k+1, 10k+3, 10k+7, 10k+9, 10k+13 and 10k+19 are primes.at n=17A178083
• G.f. A(x) satisfies A(x) = 1 + x * (A(x) / (1 - x))^(5/2).at n=9A366431