# A089483 (b-file synthesized from sequence entry) 0 1 1 3 2 5 3 10 4 14 5 28 6 42 7 80 8 108 9 202 10 278 11 524 12 726 13 1348 14 1804 15 3283 16 4193 17 7322 18 8596 19 13930 20 14713 21 21721 22 19827 23 25132 24 18197 25 18978 26 9929 27 7359 28 2081 29 878 30 126 31 2