# A262591 (b-file synthesized from sequence entry) 3 0 4 0 5 4 6 16 7 60 8 208 9 726 10 2568 11 9196 12 33286 13 121572 14 447392 15 1657006 16 6170928 17 23091220 18 86767014 19 327235608 20 1238188768 21 4698767638