# A054153 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 6 5 8 6 18 7 30 8 57 9 103 10 194 11 360 12 682 13 1292 14 2464 15 4721 16 9078 17 17481 18 33808 19 65485 20 127116 21 247179 22 481426 23 938950 24 1833572 25 3584679 26 7015237 27 13741715 28 26940645 29 52858250 30 103785060 31 203913141 32 400891200 33 788601863 34 1552114600