# A034338 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 15 6 30 7 56 8 107 9 200 10 372 11 680 12 1241 13 2221 14 3938 15 6880 16 11860 17 20148 18 33778 19 55814 20 91007 21 146392 22 232458 23 364462 24 564560 25 864230 26 1308160 27 1958700 28 2902417 29 4258009 30 6187350 31 8908680 32 12714829 33 17994860 34 25262928 35 35193094 36 48664341 37 66814595 38 91109910 39 123426848 40 166156091