# A107720 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 43 4 509 5 7579 6 135341 7 2813851 8 66733853 9 1778159275 10 52604224205 11 1711276244731 12 60729274013309 13 2335153500391627 14 96727188777453869 15 4294441686826824091 16 203456100846249179357 17 10245810557884742785387