Numerator of Sum(i=1..n-1, 1/i^(2*n-1)).A228426Numerator of Sum(i=1..n-1, 1/i^(2*n-1)).Terms a(0) =0a(1) =1a(2) =33a(3) =282251a(4) =5170139875External referencesoeis: A228426