# A101687 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 4 4 8 5 14 6 23 7 41 8 73 9 131 10 232 11 418 12 758 13 1388 14 2558 15 4742 16 8837 17 16547 18 31111 19 58705 20 111133 21 210996 22 401645 23 766367 24 1465416 25 2807595 26 5388705 27 10359733 28 19946714 29 38459504 30 74250895 31 143524561 32 277742291 33 538043338 34 1043333607 35 2025040417 36 3933914770