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A209271型作为一个简单的表

n个a(n)
15
213
181
4613
5761
61201
78581
89661
921013
1026681
1134061
1259513
1368821
14101701
15156241
16584281
17637321
18718801
19782501
20787513
211078981
221193513
231336613
241470613
251529501
261639861
271757813
282103301
292257813
302287661
312601481
323540461
334307113

[5,13,181,613,761,1201,8581,9661,21013,26681,34061,59513,68821,101701,156241,584281,637321,718801,782501,787513,1078981,1193513,1336613,1470613,1529501,1639861,1757813,2103301,2257813,2287661,2601481,3540461,4307113]