属于这两组的第一个数字：
7,13,15,21,31,43,57,63,73,85,91,111,121,127,133,157,183,211,241,255,259,273,307,341,343,381,421,463,507,511,553,585,601,651,703,757,781,813,871,931,993,1023,1057,1093,1111,1123,1191,1261,1333,1365,1407,1483,1555,1561,1641,1723,1807,1885,1893,1981,2047,2071,2163,2257,2353,2451,2551,2653,2757,2801,2863,2955,2971,3081,3193,3307,3423,3541,3616,3661,3783,3907,4033,4161,4291,4369,4423,4557,4681,4693,4831,4971,5113,5257,5403,5461,5551,5701,5853,6007,6163,6175,6321,6481,6643,6807,6973,7141,7311,7381,7483,7657,7833,8011,8191,8373,8421,8557,8743,8931,9121,9313,9331,9507,9703,9841,9901,10101,10303,10507,10713,10921,11111,11131,11155,11343,11557,11773,11991,12211,12433,12657,12883,13111,13341,13573,13807,14043,14281,14425,14521,14763,15007,15253,15501,15751,16003,16105,16257,16276,16383,16513,16771,17031,17293,17557,17823,18091,18279,18361,18633,18907,19183,19461,19531,19741,20023,20307,20593,20881,21171,21463,21757,21845,22053,22351,22621,22651,22765,22953,23257,23563,23871,24181,24493,24807,25123,25441,25761,26083,26407,26733,27061,27391,27723,27931,28057,28393,28731,29071,29413,29524,29757,30103,30451,30801,30941,31153,31507,31863,32221,32581,32767,32943,33307,33673,33825,34041,34411,34783,35157,35533,35911,36291,36673,37057,37443,37449,37831,38221,38613,39007,39403,39801,40201,40495,40603,41007,41371,41413,41821,42231,42643,43057,43473,43891,44311,44733,45157,45583,46011,46441,46873,47307,47743,47989,48181,48621,49063,49507,49953,50401,50851,51303,51757,52213,52671,53131,53593,54057. 一些更大的例子：
9875307,9881593,9887881,9894171,9900463,9906757,9913053,9919351,9925651,9931953,9938257,9944563,9950871,9957181,9963493,9969807,9976123,9982441,9988761,9995083.