18555075domain: NAppears in sequencesDenominator of b(n) = Sum_{k=1..n} (-1)^(k+1)/k*Sum_{i=0..k-1} (-1)^i/(2*i+1).at n=8A073595Positions of records in A188169.at n=22A343134Positions of records in A188170.at n=21A343135