Numerator of Euler(n, 13/28).A157239Numerator of Euler(n, 13/28).Terms a(0) =1a(1) =-1a(2) =-195a(3) =587a(4) =190905a(5) =-958441a(6) =-456423435a(7) =3208393187External referencesoeis: A157239