# A020039 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 5 5 20 6 109 7 695 8 5142 9 43193 10 406016 11 4222569 12 48137291 13 596902408 14 7998492273 15 115178288736 16 1773745646540 17 29089428603255 18 506156057696641 19 9313271461618196 20 180677466355392996 21 3685820313650017111