2586584

Appears in sequences

• Denominators of coefficients for numerical differentiation.at n=21A002548
• Denominators of row sums in triangle described in A093412.at n=21A093419
• Denominator of -3*n + 2*(1+n)*HarmonicNumber(n).at n=22A096620
• Number of polygons on n vertices with exactly three faces.at n=11A128650
• Denominator of the Harary number for the path graph P_n.at n=22A160049
• Denominator of the average number of move operations required by an insertion sort of n (distinct) elements.at n=21A212397
• Denominator of the average number of move operations required by an insertion sort of n (distinct) elements.at n=22A212397
• Least k such that Sum_{i=1..n} (-k)^i / i is a positive integer.at n=20A333073
• Least k such that Sum_{i=1..n} (-k)^i / i is a positive integer.at n=21A333073