68475
domain: N
Appears in sequences
- Sum of terms in n-th row of A081491.at n=21A081492
- Numbers n such that n and n+-1 have 4 distinct prime factors.at n=12A168628
- Indices of primes in A027998.at n=37A285224
- Let d(n,k) be the n-th divisor of a number k. a(n) is the smallest k such that d(n+1,k+1) = d(n,k) + 1.at n=8A285883
- Numbers k such that k and k+1 both have the prime signature (2,1,1,1) (A189982).at n=19A336658