129859329600
domain: N
Appears in sequences
- a(n) = denominator of Sum_{k=1..n} 1/k^2.at n=14A007407
- Square of LCM of {1, 2, ..., n}.at n=12A051418
- Square of LCM of {1, 2, ..., n}.at n=13A051418
- Square of LCM of {1, 2, ..., n}.at n=14A051418
- Denominator(Sum_{i=1..n} 1/i^3)/denominator(Sum_{i=1..n} 1/i).at n=12A068589
- Denominator(Sum_{i=1..n} 1/i^3)/denominator(Sum_{i=1..n} 1/i).at n=13A068589
- Denominator(Sum_{i=1..n} 1/i^3)/denominator(Sum_{i=1..n} 1/i).at n=14A068589
- Denominator(sum(i=1,n,1/i^4))/denominator(sum(i=1,n,1/i^2)).at n=14A069046
- Denominator(sum(i=1,n,1/i^5))/denominator(sum(i=1,n,1/i^3)).at n=12A069053
- Denominator(sum(i=1,n,1/i^5))/denominator(sum(i=1,n,1/i^3)).at n=13A069053
- Denominator(sum(i=1,n,1/i^5))/denominator(sum(i=1,n,1/i^3)).at n=14A069053
- Denominators of squares of harmonic numbers A001008/A002805.at n=12A103931
- Denominators of squares of harmonic numbers A001008/A002805.at n=13A103931
- Denominators of squares of harmonic numbers A001008/A002805.at n=14A103931
- Denominators of row sums of rational triangle A120072/A120073.at n=13A120077
- Square numbers with more divisors than any smaller square number.at n=29A136404
- Duplicate of A136404.at n=29A176471
- Maximum number of binary strings with symmetrically partitioned n 1's and n 0's, counted up to isomorphism.at n=25A250029
- Exponential highly composite numbers: where the number of exponential divisors of n (A049419) increases to a record.at n=21A318278
- Denominator of the variance of the random number of comparisons in quicksort applied to lists of length n.at n=16A330907