# A204218 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 7 4 22 5 74 6 271 7 1012 8 3858 9 15046 10 59579 11 238825 12 967873 13 3958517 14 16316594 15 67716000 16 282719162 17 1186633647 18 5004102122 19 21192022233 20 90089538788 21 384305738731 22 1644544501988 23 7057705570877 24 30368821119351 25 130993073168419 26 566297366630412 27 2453269044761359