# A319323 (b-file synthesized from sequence entry) 1 2 2 3 3 6 4 14 5 36 6 94 7 246 8 645 9 1682 10 4367 11 11312 12 29261 13 75654 14 195607 15 505794 16 1307977 17 3382628 18 8748288 19 22625594 20 58516858 21 151343298 22 391422104 23 1012341602