5577321750

Appears in sequences

• a(1)=1; for n > 0, a(n+1) = rad(a(n))*n where rad=A007947.at n=25A066332
• Product of the numbers k in the range 1 <= k <= n such that the proper divisors of k are a subset of the proper divisors of n.at n=24A158977
• Numbers k such that A383546(k) > A383546(m) for all m < k.at n=28A383547
• a(n) = lcm({1, 2, ..., n}) * (n + 1) / n for n > 0, a(0) = 1.at n=24A387027