# A119587 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 3 4 7 5 17 6 39 7 87 8 189 9 403 10 847 11 1761 12 3631 13 7439 14 15165 15 30795 16 62343 17 125905 18 253783 19 510759 20 1026685 21 2061731 22 4136991 23 8295873 24 16627167 25 33311647 26 66716029 27 133582107 28 267406999 29 535206833 30 1071049287