# A146422 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 9 6 13 7 35 8 63 9 2283 10 5585 11 180293 12 562375 13 23209995 14 88508965 15 13019468881 16 63861201843 17 14755196146889 18 90930193025577 19 44655947502046605 20 347179958945954717