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当偶数大于5*4*3^2时D(2n)>3
5*4*3^2=180
所有不大于180的自然数都在
A1[1]1
B1[2]1
A2[3,4]2
B2[5,6]2
A3[7,8,9]3
A1[10]1
B1[11]1
A2[12,13]2
B2[14,15]2
A3[16,17,18]3
A1[19]
B1[20]
A2[21,22]
B2[23,24]
A3[25,26,27]
A1[28]
B1[29]
A2[30.31]
B2[32,33]
A3[34,35,36]
A1[37]
B1[38]
A2[39,40]
B2[41,42]
A3[43,44,45]
A1[46]
B1[47]
A2[48,49]
B2[50,51]
A3[52,53,54]
A1[55]
B1[56]
A2[57,58]
B2[59,60]
A3[61,62,63]
A1[64]
B1[65]
A2[66,67]
B2[68,69]
A3[70,71,72]
A1[73]
B1[74]
A2[75,76]
B2[77,78]
A3[79,80,81]
A1[82]
B1[83]
A2[84,85]
B2[86,87]
A3[88,89,90]
A1[91]
B1[92]
A2[93,94]
B2[95,96]
A3[97,98,99]
A1[100]
B1[101]
A2[102,103]
B2[104,105]
A3[106,107,108]
A1[109]
B1[110]
A2[111,112]
B2[113,114]
A3[115,116,117]
A1[118]
B1[119]
A2[120,121]
B2[122,123]
A3[124,125,126]
A1[127]
B1[128]
A2[129,130]
B2[131,132]
A3[133,134,135]
A1[136]
B1[137]
A2[138,139]
B2[140,141]
A3[142,143,144]
A1[145]
B1[146]
A2[147,148]
B2[149,150]
A3[151,152,153]
A1[154]
B1[155]
A2[156,157]
B2[158,159]
A3[160,161,162]
A1[163]
B1[164]
A2[165,166]
B2[167,168]
A3[169,170,171]
A1[172]
B1[173]
A2[174,175]
B2[176,177]
A3[178,179,180]中
利用埃拉托斯特尼筛法得到素数模块
B[2]1
p1[3,5]2
p2[7,11,13]3
p3[17,19,23,29,31]5
p4[37,41,43,47,53,59,61]7
p5[67,71,73,79,83,89,97,101,103,107,109]11
p6[113,127,131,137,139,149,151,157,163,167,173,179,181]13
利用偶数哥德巴赫素数筛法得到偶数哥德巴赫素数模块
q1[(7+173),(13+167),(17+163)]3
q2[(23+157),(29+151),(31+149),(41+139),(43+137)]5
q3[(53+127),(67+113),(71+109),(73+107),(79+101),
(83+97),97,101,107,109,113]11
实际模值=3+5+11=19
所取模值=3
真值=14
19>14>3
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