# A022107 (b-file synthesized from sequence entry) 0 1 1 17 2 18 3 35 4 53 5 88 6 141 7 229 8 370 9 599 10 969 11 1568 12 2537 13 4105 14 6642 15 10747 16 17389 17 28136 18 45525 19 73661 20 119186 21 192847 22 312033 23 504880 24 816913 25 1321793 26 2138706 27 3460499 28 5599205 29 9059704 30 14658909