119931

Appears in sequences

• Numbers k such that (72*10^(k-1) - 27)/9 is a plateau prime.at n=11A082716
• Numbers k such that (68*10^k - 11)/3 is prime.at n=21A293399
• Expansion of Sum_{k>0} x^(2*k)/(1+x^k)^5.at n=39A363613