搜索号码
交替n。  中心三角形n。

属于这两组的第一个数字:

1,4,10,85,109,274,361,694,901,1054,2341,3676,4789,5674,7456,9010,16381,18985,38161,43096,45676,49414,50509,65836,69016,70309,74929,129214,167836,250309,258961,270301,303076,309856,325036,349210,383296,418969,430141,498529,507214,523036,676369,678385,692581,721414,723496,783010,909094,927874,1270981,1290385,1430329,1450909,1498501,1696549,2169010,2341876,2387074,3212749,3252385,3610729,3652741,4101094,4165834,4185856,4363096,4549234,4723276,5214541,5298781,5434969,6129694,6325294,6505210,6549016,7210585,7256701,7630921,8167834,8543074,9650749,12325234,12523816,14363896,16349854,16389496,16909210,18781474,18909076,21472309,21654301,23814361,23898109,25270381,27278941,27676981,29470585,29670385,32329210,34365874,43618585,45432769,47452501,47858329,49498921,52525210,54387694,54967294,54985456,61276909,63618985,69676561,70723234,72965476,74141896,76587256,78941656,89038981,90547696,90921016,94149010,94529674,101438929,101636389,101858761,107878321,121054909,123438169,125652385,125872141,127858585,129414349,141498985,145696321,161476501,163474741,165012949,167254561,169830361,181252585,183634741,187874509,210189610,210367210,212183014,212361454,218545456,230547010,234581296,258103210,270567496,276563494,290545210,294105010,294567274,294903694,305856181,327872161,347678101,363894301,381292789,383256361,385898341,389032381,389418985,430521634,452549296,456361210,472141234,478389034,496341436,498909610,501210181,541072585,543296989,543810961,547874149,585656761,587614585,589456729,632929834,634965076,652365256,670761694,698123854,698965474,707670181,709234921,723856585,745098985,761232385,781436701,783012385,812763010,814789414,818709610,850981414,856349014,856707454,905416789,945278569,983692909,989232121.