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A242174 as a simple table

na(n)
12
23
341
45
57
6349
761
875617
931
1013
11499
12643897693
1317
1419
151729774061
16101
172859112064587
18138407
1983
20167
2159
2229
23653
24257
25997540809461453561581
26347
2713679
2837
29160449179727717672892660463
30211
31151
3243
3397
3473
3547

[2,3,41,5,7,349,61,75617,31,13,499,643897693,17,
 19,1729774061,101,2859112064587,138407,83,167,59,
 29,653,257,997540809461453561581,347,13679,37,
 160449179727717672892660463,211,151,43,97,73,47]