# A114226 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 15 5 26 6 43 7 72 8 129 9 250 10 506 11 1024 12 2016 13 3824 14 7011 15 12592 16 22661 17 42042 18 82384 19 171704 20 375386 21 840092 22 1881584 23 4153824 24 8964736 25 18852992 26 38629504 27 77259008 28 151303440 29 291370976