Length of period of continued fraction for square root of 1+n!.

Terms

a(0) =1a(1) =2a(2) =4a(3) =0a(4) =0a(5) =40a(6) =0a(7) =153a(8) =558a(9) =3074a(10) =4285a(11) =22602a(12) =180544a(13) =766146a(14) =766082a(15) =524570a(16) =9932193a(17) =5193268a(18) =763601450a(19) =4284694240a(20) =3059999982a(21) =48742214702a(22) =6354126960a(24) =929707144775