属于这两组的第一个数字：
31,106,181,331,601,681,1051,1381,2031,2481,3331,4731,5881,6631,7981,10081,11731,12781,14631,17431,19581,20931,22326,23281,24751,25251,26781,29431,31081,33351,33931,35701,38131,41281,43231,46581,51481,52926,55131,57381,59676,61231,66016,66831,70981,73531,77881,84181,86956,88831,91681,96531,103531,105576,106606,108681,111831,117181,124881,127126,130531,133981,139831,147016,148231,154381,156876,158131,164481,173581,177556,180231,184281,191131,200931,208081,209526,212431,219781,224251,230281,237931,242581,247276,250431,261631,269781,274731,283081,291556,294981,301891,303631,308881,317731,330331,332151,333976,335806,337641,339481,345031,354381,367681,377331,383181,393031,397006,407031,417181,423331,433681,448381,459031,465481,471976,476331,480706,491731,502881,509631,520981,537081,544056,548731,555781,567631,584431,596581,603931,616281,633781,641356,646431,651526,654081,666931,685131,698281,706231,711556,719581,724956,738481,752131,760381,763141,765906,774231,782601,793831,807981,816531,819391,822256,830881,851181,859956,865831,874681,889531,898501,904506,910531,916576,919606,925681,934831,950181,971881,987531,996981,1012831,1025601,1035231,1051381,1054626,1057876,1061131,1064391,1067656,1070926,1077481,1084056,1100581,1117231,1127281,1144131,1157701,1167931,1185081,1195431,1212781,1237281,1254931,1265581,1269141,1283431,1308631,1326781,1337731,1356081,1381981,1385701,1400631,1411881,1430731,1453516,1457331,1476481,1488031,1507381,1534681,1554331,1566181,1586031,1614031,1622076,1634181,1646331,1666681,1695381,1716031,1728481,1749331,1766101,1778731,1799881,1812631,1833981,1842556,1864081,1885731,1898781,1920631,1951431,1973581,1982476,1986931,1991391,2009281,2018256,2040781,2063431,2077081,2099931,2113701,2132131,2155281,2169231,2178556,2192581,2201956,2220766,2225481,2249131,2263381,2272906,2287231,2316016,2320831,2330476,2335306,2344981,2359531,2369256,2383881,2393656,2418181,2442831,2457681,2472576,2477551,2482531,2497501,2502501,2517531,2542681,2557831,2583181. 一些较大的示例：
9297781,9326731,9375081,9442981,9472156,9491631,9501376,9520881,9569731,9618706,9638331,9687481,9717031,9726891,9766381,9835681,9885331,9905226,9915181,9965031.