Denominators of continued fraction for alternating factorial.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =7a(5) =13a(6) =34a(7) =73a(8) =209a(9) =501a(10) =1546a(11) =4051a(12) =13327a(13) =37633a(14) =130922a(15) =394353a(16) =1441729a(17) =4596553a(18) =17572114a(19) =58941091a(20) =234662231a(21) =824073141a(22) =3405357682a(23) =12470162233a(24) =53334454417a(25) =202976401213a(26) =896324308634