Numerator of Bernoulli(n, 3/8).

Terms

a(0) =1a(1) =-1a(2) =-13a(3) =15a(4) =1327a(5) =-545a(6) =-91003a(7) =38255a(8) =5906767a(9) =-4500801a(10) =-1896209615a(11) =804237775a(13) =-203494252897