# A284741 (b-file synthesized from sequence entry) 1 1 2 3 3 4 4 6 5 9 6 10 7 24 8 27 9 66 10 76 11 136 12 346 13 399 14 978 15 1228 16 2227 17 4005 18 5916 19 6394 20 7438 21 18934 22 20020 23 31866 24 85438