# A217069 (b-file synthesized from sequence entry) 0 0 1 2 2 7 3 69 4 377 5 2794 6 17499 7 119930 8 782560 9 5243499 10 34631867 11 230522137 12 1527974718 13 10151087309 14 67355177296 15 447219602022 16 2968334148479 17 19705628071261 18 130804123379301 19 868315777996646 20 5763951923164423 21 38262238564792074 22 253989877628319020