# A101976 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 15 6 28 7 49 8 83 9 134 10 209 11 317 12 473 13 687 14 987 15 1403 16 1972 17 2732 18 3752 19 5096 20 6852 21 9144 22 12113 23 15919 24 20802 25 27012 26 34860 27 44755 28 57136 29 72592 30 91802 31 115567 32 144916 33 180963