Numerators of the rational sequence with e.g.f. (x/2)*(exp(-x) + 1)/(exp(x) - 1).

Terms

a(0) =1a(1) =-1a(2) =7a(3) =-3a(4) =59a(5) =-5a(6) =127a(7) =-7a(8) =119a(9) =-9a(10) =335a(11) =-11a(12) =15689a(13) =-13a(14) =49a(15) =-15a(16) =463a(17) =-17a(18) =51049a(19) =-19a(20) =-171311a(21) =-21a(22) =856031a(23) =-23a(24) =-236331331a(25) =-25a(26) =8553181a(27) =-27a(28) =-23749448849a(29) =-29