637320
domain: N
Appears in sequences
- Numbers n such that prime(n) == -1 (mod n).at n=17A045924
- Numbers k such that prime(k)+1 divides k^2.at n=6A062061
- Numbers k that divide the average of prime(k-1) and prime(k+1).at n=11A066828
- Numbers k that divide prime(k)+1 or prime(k)-1.at n=29A078931
- a(n) is the smallest number m such that prime(m) = n*m - 1, or 0 if no such m exists.at n=14A108511
- Integers n such that prime(n-1) + prime(n+1) is a multiple of n.at n=17A260989
- Numbers k such that floor(prime(k)/k) < floor(prime(k+1)/(k+1)).at n=26A308082