45609

Appears in sequences

• Expansion of 1/((1-x)*(1-2*x)*(1-5*x)*(1-12*x)).at n=4A021164
• Numbers k such that 2*7^k + 5 is prime.at n=17A059042
• Number of 11-almost primes 11ap such that 2^n < 11ap <= 2^(n+1).at n=24A120042
• a(0)=1; thereafter a(n) = Sum_{k=2..n+1} A006206(k).at n=26A286271