# A189877 (b-file synthesized from sequence entry) 1 1 2 0 3 0 4 2 5 0 6 0 7 0 8 0 9 0 10 4 11 56 12 172 13 680 14 1348 15 6576 16 34568 17 107624 18 413760 19 1697288 20 8035558 21 37441416 22 192483420 23 1115143224