# A003428 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 2 8 3 9 5 10 12 11 22 12 47 13 94 14 201 15 417 16 907 17 1948 18 4289 19 9440 20 21063 21 47124 22 106377 23 240980 24 549272 25 1256609 26 2888057 27 6660347 28 15416623 29 35794121 30 83362301