298598400

Appears in sequences

• Partial products of pi(n), A000720.at n=15A046993
• Square-factorial numbers: a(1) = 1, a(n+1) = a(n) * largest square divisor of (n+1).at n=26A100777
• Terminal point of a repeated reduction of usigma starting at 2^n.at n=27A146891
• a(n) = ((n-1)! * (n+1)!) ^ 2.at n=4A179870
• Smallest number k such that the symmetric representation of sigma(k) has maximum width n for those k whose representation has nondecreasing width up to the diagonal.at n=20A250071
• Irregular triangle, read by rows, of coefficients of polynomials that are the "nonstandard" factor of polynomials yielding the columns (up to sign) of triangle A290053, beginning with column 3.at n=37A290761