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A242169 as a simple table

na(n)
12
25
37
4173
5563
613
741
8369581
9937
1061
1123
1229
132141
1412148537
1531
16157
1759
1837
19506251
20151
213019
22769
2347
246730949
2579
2653
273853
28661
29138961158000728258971
301361
31421
3296920594213
3351378681049
34457
3571

[2,5,7,173,563,13,41,369581,937,61,23,29,2141,
 12148537,31,157,59,37,506251,151,3019,769,47,
 6730949,79,53,3853,661,138961158000728258971,1361,
 421,96920594213,51378681049,457,71]