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A027694 as a simple table

na(n)
09
111
215
321
429
539
651
765
881
999
10119
11141
12165
13191
14219
15249
16281
17315
18351
19389
20429
21471
22515
23561
24609
25659
26711
27765
28821
29879
30939
311001
321065
331131
341199
351269
361341
371415
381491
391569
401649
411731
421815
431901
441989
452079
462171
472265
482361
492459
502559

[9,11,15,21,29,39,51,65,81,99,119,141,165,191,219,
 249,281,315,351,389,429,471,515,561,609,659,711,
 765,821,879,939,1001,1065,1131,1199,1269,1341,
 1415,1491,1569,1649,1731,1815,1901,1989,2079,2171,
 2265,2361,2459,2559]