# A206140 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 10 5 18 6 44 7 78 8 178 9 329 10 699 11 1299 12 2724 13 5013 14 10198 15 19076 16 37786 17 70448 18 138322 19 256649 20 497884 21 925309 22 1770195 23 3283971 24 6249417 25 11542969 26 21785791 27 40231877 28 75388314 29 138806128 30 259010824 31 475364152 32 882643035 33 1617443421 34 2988026528