379659

Appears in sequences

• Numbers n such that sopf(n) = sopf(n+1) - sopf(n-1), where sopf(x) = sum of the distinct prime factors of x.at n=26A076525
• a(n) = the smallest multiple of the n-th prime such that (a(n)-1) is divisible by both the (n-1)th prime and the (n+1)st prime.at n=24A143244