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A098039 as a simple table

na(n)
27
323
437
547
673
7809
81453
91931
102621
113571
123917
134793
147901
158819
169467
1710181
1811657
1912421
2012659
2112781
2213229
2314449
2417383
2521739
2622079
2724151
2826501
2928663
3030881
3132749
3233353
3334439
3438083
3538501
3642467
3742703
3843397
3948091

[7,23,37,47,73,809,1453,1931,2621,3571,3917,4793,
 7901,8819,9467,10181,11657,12421,12659,12781,
 13229,14449,17383,21739,22079,24151,26501,28663,
 30881,32749,33353,34439,38083,38501,42467,42703,
 43397,48091]