80313433201
domain: N
Appears in sequences
- a(n) = 1 + lcm(1..k) where k is the n-th prime power A000961(n).at n=15A051452
- a(n) = 1 + lcm(1, 2, ..., n) = 1 + A003418(n).at n=27A075059
- a(n) = 1 + lcm(1, 2, ..., n) = 1 + A003418(n).at n=28A075059
- Numbers n such that sigma(n)*7 < sigma(n-1) + sigma(n+1).at n=7A227387
- The smallest integer > 1 of exactly n consecutive integers divisible respectively by the first n natural numbers (A000027), or 0 if no such number exists.at n=27A249051