# A324783 (b-file synthesized from sequence entry) 0 3 1 5 2 13 3 35 4 89 5 221 6 579 7 1561 8 4127 9 11143 10 30745 11 84585 12 235913 13 659385 14 1851883 15 5220661 16 14776197 17 41946423 18 119451363 19 341007809 20 975932453 21 2798620993 22 8041115863 23 23145844263 24 66733786153 25 192697084389 26 557206314727 27 1613334811187