# A049885 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 4 6 7 7 15 8 30 9 60 10 91 11 197 12 402 13 807 14 1616 15 3233 16 6466 17 12932 18 19399 19 42031 20 85679 21 172167 22 344739 23 689683 24 1379472 25 2758975 26 5517980 27 11035975 28 22071958 29 44143919 30 88287840 31 176575681 32 353151362 33 706302724 34 1059454087