Numerators of continued fraction for alternating factorial.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =8a(6) =20a(7) =44a(8) =124a(9) =300a(10) =920a(11) =2420a(12) =7940a(13) =22460a(14) =78040a(15) =235260a(16) =859580a(17) =2741660a(18) =10477880a(19) =35152820a(20) =139931620a(21) =491459820a(22) =2030707640a(23) =7436765660a(24) =31805257340a(25) =121046445260a(26) =534514790680