347287500

Appears in sequences

• a(n) = Product_{i=2..n} (tau(i)+1)/(tau(i)-1), where tau(.)=A000005(.).at n=28A181574
• Denominator of the fraction fr(n) that appears in the n-th cumulant k(n) = fr(n) - (-2)^n*(n-1)!*zeta(n) of the limiting distribution of the number of comparisons in quicksort, for n >= 2, starting with fr(0) = 1 and fr(1) = 0.at n=9A330876