4461857400

Appears in sequences

• a(1) = 1; a(n) = smallest positive unpicked integer such that n-k divides evenly into a(n)*a(k) for every k, 1 <= k <= n-1.at n=26A091861
• Denominator of partial sums of a certain series.at n=11A101029
• Denominator of the average number of move operations required by an insertion sort of n (distinct) elements.at n=25A212397
• Denominator of the average number of move operations required by an insertion sort of n (distinct) elements.at n=26A212397
• a(n) = lcm(denominator(p(n, x))), where p(n, x) are the rational polynomials defined in A342321.at n=24A343277
• a(n) = Product_{k = ceiling(n/2)..n-1} A090252(k).at n=15A354758
• a(n) = LCM(1,2, ..., 2n+1)/6.at n=11A375921