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A138922 as a simple table

na(n)
16
215
318
421
539
669
7159
8165
9174
10231
11378
12408
13501
14504
15606
16873
17897
181122
191209
201395
211947
222040
232361
242778
253369
267305
277647
288154
298331
309483
3113071
3214616
3315819
3420301
3521282
3627144
3731083
3834725
3935775
4036855
4138118
4239360

[6,15,18,21,39,69,159,165,174,231,378,408,501,504,
 606,873,897,1122,1209,1395,1947,2040,2361,2778,
 3369,7305,7647,8154,8331,9483,13071,14616,15819,
 20301,21282,27144,31083,34725,35775,36855,38118,
 39360]