# A168478 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 60 4 803 5 13071 6 244917 7 5101603 8 115451307 9 2794682082 10 71579132742 11 1924722618873 12 54022011952266 13 1575777019075715 14 47606721776494443 15 1485688929610479498 16 47790055655273649449 17 1581727833458617151379