90751353

Appears in sequences

• Squarefree part of n!: n! divided by its largest square divisor.at n=34A055204
• Squarefree part of n!: n! divided by its largest square divisor.at n=35A055204
• Squarefree part of the n-th central binomial coefficient.at n=35A056058
• The powerfree part of the central binomial coefficients.at n=35A056060
• Squarefree part of C(2n,n), the central binomial numbers: the smallest number such that a(n)*C(2n,n) is a square.at n=18A069113
• a(n) is the smallest integer of the form a*b*c.../p*q*r..., where the numerator and the denominator contain n numbers each and a,b,c,...p,q,r... are all the integers from 1 to 2n.at n=17A085057
• Denominator of Integral_{x=0..+oo} Polylog(-n, -x)^2 for n > 0, with a(0) = 1.at n=17A181131
• The denominators of the subdiagonal in the difference table of the Bernoulli numbers.at n=17A190339
• Squarefree part of ((2n-1)!)^(2n-3).at n=17A197880
• n!/pp, where pp is the largest perfect power (A001597) which divides n!.at n=35A251753
• n!/pp, where pp is the largest perfect power (A001597) which divides n!.at n=36A251753
• Numerator of binomial(2*n,n)/20^n.at n=18A285020
• Denominators of the sequence of rational numbers Rn+ related to Bernoulli numbers.at n=17A308402
• a(n) is the least term in the n-th row of A360298.at n=34A360300
• a(n) is the least term in the n-th row of A360298.at n=35A360300