# A028054 (b-file synthesized from sequence entry) 0 1 1 22 2 309 3 3542 4 36197 5 344190 6 3119173 7 27339334 8 233997093 9 1968524558 10 16351808837 11 134557949526 12 1099534023589 13 8937744119326 14 72366036152901 15 584189060834918 16 4705458521506085 17 37837251535931694