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A115615 as a simple table

na(n)
16475341
213214509
317900677
419998021
525747725
626429018
726640937
827321991
927404041
1027492775
1127820465
1228475829
1328475875
1428803235
1531947953
1635654893
1735663887
1835801354
1935875087
2038404259
2138860337
2238905477
2339627197
2439995657
2539996042
2640272713
2740468139

[6475341,13214509,17900677,19998021,25747725,
 26429018,26640937,27321991,27404041,27492775,
 27820465,28475829,28475875,28803235,31947953,
 35654893,35663887,35801354,35875087,38404259,
 38860337,38905477,39627197,39995657,39996042,
 40272713,40468139]