# A266925 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 6 6 9 7 18 8 31 9 61 10 107 11 207 12 378 13 724 14 1333 15 2537 16 4723 17 8938 18 16674 19 31455 20 58805 21 110642 22 206849 23 388444 24 726236 25 1361766 26 2544568 27 4765466 28 8900805 29 16652803 30 31085427 31 58108482 32 108417265 33 202517545 34 377659515 35 704989607 36 1314105907 37 2451689503 38 4568030529