Derivative of log of A002126.

Terms

a(0) =0a(1) =4a(2) =6a(3) =-4a(4) =0a(5) =-2a(6) =14a(7) =-4a(8) =-12a(9) =-16a(10) =44a(11) =14a(12) =0a(13) =-66a(14) =6a(15) =28a(16) =102a(17) =-92a(18) =-38a(19) =-24a(20) =188a(21) =-84a(22) =-46a(23) =-226a(24) =300a(25) =108a(26) =96a(27) =-690a(28) =232a(29) =218