# A249062 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 18 4 69 5 306 6 1497 7 7890 8 45033 9 273474 10 1760301 11 11961522 12 85265325 13 636026418 14 4947725889 15 40019230386 16 335868650577 17 2918173355010 18 26199114476373 19 242657102748114 20 2314964975130261 21 22717352863875762 22 229029972003647145 23 2369438933865972498