10368000

Appears in sequences

• Numbers k such that k = phi(sigma(phi(sigma(k)))).at n=35A067883
• Product of terms of continued fraction expansion of (3/2)^n.at n=25A071337
• Number of spanning trees in G X P_n, where G = {{1, 2}, {1, 3}, {1, 4}, {1, 5}, {2, 3}, {2, 4}, {2, 5}}.at n=2A167060
• a(n) = (n!)^2*(n+1)!.at n=5A172492
• Number of (n+1)X(n+1) symmetric binary matrices without the pattern 1 1 antidiagonally.at n=6A190340
• Numbers of the form i^j * j^k * k^i, where i,j,k > 1.at n=32A259406
• Number of n X 1 arrays of permutations of 0..n*1-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 3.at n=15A264557
• Power and multiply: distinct numbers a^b * c^d * e^f * g^h * i^j where a..j are permutations of 0..9.at n=5A266914
• Number of product-free subsets of {1..n}.at n=27A326489
• Denominator of the rational number A(n) that appears in the formula for the n-th cumulant k(n) = (-1)^n*2^n*(A(n) - (n - 1)!*zeta(n)) of the limiting distribution of the number of comparisons in quicksort, for n >= 2, with A(0) = 1 and A(1) = 0.at n=7A330860
• Denominators of coefficients in a series for the first Stieltjes constant gamma_1.at n=5A332537
• The moment generating function of the limiting distribution of the number of comparisons in quicksort can be written in the form M(t) = m(-2*t)/(exp(2*gamma*t)*Gamma(1 + 2*t)) for |t| < 1/2, where m(z) = Sum_{n >= 0} B(n)*z^n/n! for |z| < 1. This sequence gives the denominators of the rational numbers B(n) for n >= 0.at n=7A335991