32464832400
domain: N
Appears in sequences
- Denominators of poly-Bernoulli numbers B_n^(k) with k=3.at n=14A027646
- a(n) = (n!)^2/phi(n!), where phi is Euler's totient function.at n=12A123476
- Square numbers with more divisors than any smaller square number.at n=27A136404
- Duplicate of A136404.at n=27A176471
- Maximum number of binary strings with symmetrically partitioned n 1's and n 0's, counted up to isomorphism.at n=24A250029
- a(n) is the A106490 index where n first occurs.at n=14A276230
- Perfect powers whose totients are factorials.at n=8A335723
- Smallest integer k such that d(k^2)/d(k) = 2n-1, where d(k) is the number of divisors of k.at n=12A339056
- Noninfinitary superabundant numbers: numbers m such that nisigma(m)/m > nisigma(k)/k for all k < m, where nisigma(m) is the sum of noninfinitary divisors of m (A348271).at n=21A348273