# A304967 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 3 5 3 6 8 7 9 8 20 9 26 10 49 11 68 12 123 13 173 14 295 15 432 16 707 17 1044 18 1672 19 2483 20 3900 21 5817 22 8993 23 13424 24 20539 25 30609 26 46399 27 69052 28 103879 29 154198 30 230550 31 341261 32 507484 33 749028 34 1108559 35 1631340 36 2404311 37 3527615 38 5179317 39 7577263 40 11086413 41 16173577 42 23588227