# A065979 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 16 5 36 6 79 7 170 8 362 9 767 10 1619 11 3402 12 7112 13 14797 14 30673 15 63427 16 130951 17 270031 18 556111 19 1143537 20 2347476 21 4810758 22 9843932 23 20118655 24 41081297 25 83832648 26 170987463 27 348581862 28 710242310 29 1446198858