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A155187 as a simple table

na(n)
12
23
311
471
5227
6491
7683
81103
91187
102591
113923
124271
134931
146737
157193
167703
178093
188753
198963
209173
219377
2210271
2313043
2413451
2513997
2615233
2715443
2815803
2915887
3017957
3118701
3219961
3320681
3421701
3522031
3622073
3724371
3824473
3924683

[2,3,11,71,227,491,683,1103,1187,2591,3923,4271,
 4931,6737,7193,7703,8093,8753,8963,9173,9377,
 10271,13043,13451,13997,15233,15443,15803,15887,
 17957,18701,19961,20681,21701,22031,22073,24371,
 24473,24683]