# A177123 (b-file synthesized from sequence entry) 0 1 1 7 2 17 3 87 4 417 5 2347 6 13497 7 81607 8 504537 9 3192747 10 20529537 11 133876327 12 882924177 13 5879675307 14 39478170697 15 266973261127 16 1816729697097 17 12431013514667 18 85476914070417 19 590327766229607 20 4093067887259777