15484789693domain: NAppears in sequencesNumerator of partial sums of a certain series. First member (m = 2) of a family.at n=12A101028Numerator of Sum_{k=1..n} (-1)^(k+1) * 1/(k*(k+1)).at n=25A125683Primes in A125683(n) in order of their occurrence.at n=12A125685