1077205

Appears in sequences

• Squarefree part of n!: n! divided by its largest square divisor.at n=29A055204
• Squarefree part of the n-th central binomial coefficient.at n=29A056058
• The powerfree part of the central binomial coefficients.at n=28A056060
• The powerfree part of the central binomial coefficients.at n=29A056060
• 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=15A069113
• 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=14A085057
• n!/pp, where pp is the largest perfect power (A001597) which divides n!.at n=30A251753
• Numerator of (-1/3)^n*sqrt(Pi)/(Gamma(1/2 - n)*Gamma(1 + n)).at n=15A285019
• a(n) is the least term in the n-th row of A360298.at n=29A360300