72267

Appears in sequences

• Integers k such that 10^k + 33 is prime.at n=23A107084
• Expansion of 1+(x/(1-5*x))*c(x/(1-5*x)) where c(x) is the g.f. of A000108.at n=7A154623
• Numbers k such that sigma(k) = sigma(k+19), where sigma(k) is the sum of the divisors of k.at n=24A321533