# A356284 (b-file synthesized from sequence entry) 0 1 1 4 2 37 3 334 4 3280 5 29437 6 282253 7 2517904 8 23209785 9 206685325 10 1858085653 11 16266231810 12 144339750406 13 1250038867329 14 10882952174845 15 93546973843450 16 804847296088574 17 6843680884286307 18 58300294406199829 19 491683063753997014 20 4148296662116385627 21 34746182976196757434