471181domain: NAppears in sequencesNumerator of partial sums of a certain series. First member (m = 2) of a family.at n=7A101028Numerator of Sum_{k=1..n} (-1)^(k+1) * 1/(k*(k+1)).at n=15A125683Numerator of sum of fractions A182972(k) / A182973(k) such that A182972(k) + A182973(k) = n.at n=14A245677