# A091907 (b-file synthesized from sequence entry) 1 2 2 3 3 4 4 14 5 15 6 17 7 24 8 41 9 54 10 77 11 275 12 447 13 524 14 574 15 1546 16 2132 17 2711 18 2804 19 7994 20 11684 21 12073