# A206100 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 6 5 9 6 18 7 27 8 50 9 79 10 135 11 215 12 361 13 564 14 923 15 1450 16 2305 17 3590 18 5645 19 8693 20 13479 21 20611 22 31560 23 47880 24 72601 25 109195 26 164126 27 245109 28 365282 29 541642 30 801380 31 1180281 32 1734332 33 2538490 34 3706287 35 5392883 36 7827571 37 11325879 38 16348515 39 23530961