# A316473 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 4 5 9 6 19 7 44 8 99 9 233 10 554 11 1346 12 3300 13 8219 14 20635 15 52300 16 133488 17 343033 18 886360 19 2302133 20 6005835