# A321399 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 6 5 17 6 70 7 401 8 2969 9 27140 10 296824 11 3805050 12 56375499 13 955491092 14 18372395618 15 397763836270 16 9625919876062 17 258564672432833 18 7659052858050807 19 248738123007194830 20 8812695551133726251 21 339191479636896892415 22 14131494196304254373334