# A333163 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 1 4 3 5 4 6 12 7 24 8 70 9 172 10 525 11 1530 12 5078 13 16994 14 61456 15 228898 16 895910 17 3617148 18 15130833 19 65084088 20 287828488 21 1304327221 22 6050218591 23 28675928883 24 138730847262 25 684300453848 26 3438439910436 27 17585597712632 28 91479580896616 29 483699938173293 30 2598090378779507