# A349087 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 23 5 115 6 690 7 4830 8 38641 9 347769 10 3477690 11 38254590 12 459055079 13 5967716027 14 83548024378 15 1253220365670 16 20051525850721 17 340875939462257 18 6135766910320626 19 116579571296091894 20 2331591425921837879 21 48963419944358595459 22 1077195238775889100098