# A258000 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 8 5 14 6 26 7 48 8 89 9 164 10 302 11 557 12 1028 13 1896 14 3496 15 6448 16 11893 17 21935 18 40455 19 74613 20 137613 21 253807 22 468108 23 863354 24 1592327 25 2936808 26 5416499 27 9989915 28 18424893 29 33981939 30 62674564 31 115593785 32 213195313 33 393206621 34 725210344 35 1337541166