31850496

Appears in sequences

• Floor-factorial numbers: a(n) = Product_{k=1..n} floor(n/k).at n=24A010786
• 5th level factorials: product of first n 4th level factorials.at n=4A057528
• Multi-level factorials: triangle with a(n,k)=a(n-1,k-1)*a(n-1,k) but with a(n,1)=n and a(n,n)=1.at n=41A066121
• Product_{i=1..n} i^prime(i).at n=3A076955
• Number of divisors of the n-th superior highly composite number.at n=33A098895
• Smallest number beginning with 3 and having exactly n prime divisors counted with multiplicity.at n=21A106423
• Partial products of A036691.at n=4A181335
• Antiharmonic numbers using anti-divisors: numbers n such that sigma*(n) divides sigma*_2(n), where sigma*(n) is the sum of anti-divisors of n and sigma*_2(n) the sum of squares of anti-divisors of n.at n=29A192286
• Denominators of the series expansion of the ground-state energy of the Hubbard model in the limits of strong coupling and infinite dimensions.at n=7A226585
• Numbers k such that the least common multiple of the anti-divisors of k is less than k.at n=15A242028
• Number of length n+5 0..2 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.at n=16A249227
• Numbers n such that first digit of n divides n, last digit of n divides n, number of divisors of n divides n and phi(n) divides n, where phi(n) is the Euler totient function.at n=34A277804
• Number of subsets of {2...n} containing no element whose prime indices all belong to the subset.at n=29A324739