登录

A201042号作为一个简单的表

n个a(n)
1
25
7
47
519
617
79
837
975
1041
1111
1261
13203
14295
1599
1613
1791
18429
191111
201161
21239
2215
23127
24781
253011
266083
274569
28577
2917
30169
311287
326691
3321141
3433305
3517981
361393
3719
38217
391975
4013021
4157343
42148433
43182349
4470763
453363
4621
47271
482873
4923045
50131781

[3,5,7,7,19,17,9,37,75,41,11,61,203,295,99,13,91,429,1111,1161,239,15,127,781,3011,6083,4569,577,17,169,1287,6691,21141,33305,17981,1393,19,217,1975,13021,57343,148433,182349,70763,3363,21,271,2873,23045,131781]