28563
domain: N
Appears in sequences
- Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 6 and (n+7) mod 9 <> 1.at n=22A096025
- Numbers of the form 13^(2^n) + 2.at n=2A152586
- a(n) = 13^n + 2.at n=4A153079
- Semiprimes p such that next semiprime after p is p+20.at n=7A217335
- a(n) = 10*a(n-3) - a(n-6) + 4 for n>5, a(0)=2, a(1)=3, a(2)=5, a(3)=12, a(4)=29, a(5)=51.at n=13A233231