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A099610 as a simple table

na(n)
115
215
315
421
533
639
751
865
985
10111
11123
12145
13177
14201
15235
16259
17291
18327
19365
20403
21445
22485
23533
24579
25629
26679
27731
28785
29843
30901
31965
321027
331099
341157
351227
361299
371371
381457
391527
401603
411685
421765
431851
441937
452031
462117
472215
482305
492407
502501
512603
522705
532811
542921
553027
563139
573261
583365
593487
603601
613737
623845
633973
644097
654227
664359
674497
684627

[15,15,15,21,33,39,51,65,85,111,123,145,177,201,
 235,259,291,327,365,403,445,485,533,579,629,679,
 731,785,843,901,965,1027,1099,1157,1227,1299,1371,
 1457,1527,1603,1685,1765,1851,1937,2031,2117,2215,
 2305,2407,2501,2603,2705,2811,2921,3027,3139,3261,
 3365,3487,3601,3737,3845,3973,4097,4227,4359,4497,
 4627]