# A159217 (b-file synthesized from sequence entry) 2 3 3 8 4 17 5 35 6 69 7 137 8 269 9 533 10 1053 11 2093 12 4157 13 8285 14 16509 15 32957 16 65789 17 131453 18 262653 19 525053 20 1049597 21 2098685 22 4196349 23 8391677 24 16781309 25 33560573 26 67117053 27 134230013 28 268451837