# A072100 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 8 6 14 7 24 8 44 9 79 10 149 11 275 12 527 13 989 14 1913 15 3629 16 7061 17 13496 18 26366 19 50676 20 99296 21 191674 22 376430 23 729146 24 1434578 25 2786656 26 5490812 27 10691112 28 21091712 29 41150012 30 81266612 31 158825372 32 313942892 33 614483087 34 1215563477