# A059142 (b-file synthesized from sequence entry) 0 11 1 40 2 105 3 242 4 523 5 1092 6 2237 7 4534 8 9135 9 18344 10 36769 11 73626 12 147347 13 294796 14 589701 15 1179518 16 2359159 17 4718448 18 9437033 19 18874210 20 37748571 21 75497300 22 150994765 23 301989702 24 603979583 25 1207959352 26 2415918897 27 4831837994 28 9663676195 29 19327352604