103059

Appears in sequences

• Numbers k such that 9*2^k - 1 is prime.at n=33A002236
• Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares.at n=13A227478
• Coefficients of power series A(x) such that coefficient of x^n in A(x)^(n+1) equals (n+1)*(n+2)!/2 for n>=0.at n=8A230253