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A155770 as a simple table

na(n)
119
243
371
4103
5139
6179
7223
8271
9379
10439
11503
12571
13643
14719
15883
16971
171063
181259
191471
201583
211699
222203
232339
243079
253571
263919
274099
284283
294663
305059
315471
325683
336343
346571
356803
367039
377523
388539
398803
409343
419619
4211059
4311971
4412919
4513903

[19,43,71,103,139,179,223,271,379,439,503,571,643,
 719,883,971,1063,1259,1471,1583,1699,2203,2339,
 3079,3571,3919,4099,4283,4663,5059,5471,5683,6343,
 6571,6803,7039,7523,8539,8803,9343,9619,11059,
 11971,12919,13903]