# A217931 (b-file synthesized from sequence entry) 1 0 2 2 3 2 4 4 5 8 6 16 7 32 8 64 9 126 10 252 11 504 12 1004 13 2008 14 4016 15 8024 16 16048 17 32096 18 64178 19 128356 20 256712 21 513392 22 1026784 23 2053568 24 4107076 25 8214152 26 16428304 27 32856482 28 65712964 29 131425928 30 262851612 31 525703224 32 1051406448 33 2102812394 34 4205624788 35 8411249576 36 16822498162