134249

Appears in sequences

• Numbers k such that p1=2k+3, p2=4k+5, p3=6k+7, p4=8k+9 and p5=10k+11 are all prime.at n=10A105654
• Beach-Williams Pell numbers of type pqr (p,q,r primes).at n=17A212079
• a(n) = (A242804(n)-9)/12.at n=11A257044