279175675

Appears in sequences

• Numerator of n*HarmonicNumber(n).at n=19A096617
• Numerator of the product of the n-th triangular number and the n-th harmonic number.at n=19A119786
• Numerator of absolute value of Sum_{k=1..n} (-1)^(k+1)*(2*k+1)*(Sum_{i=1..k} 1/i).at n=18A120284
• a(n) = numerator of Sum_{i=1..n} Sum_{j=1..n} (1/i + 1/j).at n=19A368810