# A302102 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 60 4 796 5 12873 6 243648 7 5274630 8 128693820 9 3501032280 10 105278025690 11 3473075317080 12 124851287129604 13 4860913404292030 14 203839755469977840 15 9161170785398640570 16 439317870410796482460 17 22390147212903891054540 18 1208526686930226056003640 19 68866979112831866042953128 20 4131396903316522288744806384 21 260262349821990852529147365849