4056234

Appears in sequences

• Coefficients of Legendre polynomials.at n=11A001800
• a(n) = 3*binomial(2n-1,n).at n=11A003409
• a(n+1) = a(n)/n if n|a(n) else a(n)*n, a(1) = 1.at n=23A008336
• a(1)=1; for n >= 1, a(n+1) = lcm(a(n),n) / gcd(a(n),n).at n=23A008339
• Central elements of the (1,2)-Pascal triangle A029635.at n=12A029651
• a(0) = 1; for n > 0, a(n) = binomial(n, floor(n/2)) + binomial(n-1, floor(n/2)).at n=24A050168
• Squarefree part of n!: n! divided by its largest square divisor.at n=22A055204
• a(1) = 1, a(n) = lcm(n, a(n-1)) / gcd(n, a(n-1)).at n=22A077139
• Reduced denominators of the (2n-1)th raw moment of the distribution of line lengths of points picked at random in a unit square.at n=10A103305
• The radical of the swinging factorial A056040 for odd indices.at n=11A163640
• The radical of the swinging factorial A056040.at n=23A163641
• Partial products of A181103.at n=6A181737
• Squarefree part of ((2n-1)!)^(2n-3).at n=11A197880
• Number of nX1 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=34A200770
• n!/pp, where pp is the largest perfect power (A001597) which divides n!.at n=23A251753
• Lexicographically earliest sequence such that for any n>1, n=u*v, where u/v = a(n)/a(n-1) in reduced form.at n=22A260850
• 12-dimensional square numbers.at n=12A266561
• a(n) is the least term in the n-th row of A360298.at n=22A360300
• a(1) = 1; for n > 1, a(n) = A055231(a(n-1) * n), where A055231(k) is the powerfree part of k.at n=22A368823
• A008336 sorted and duplicates removed.at n=22A370968