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A104271 as a simple table

na(n)
13
26
342
421
575
691
7186
8378
93051
10987
111670
124182
136531
141494
158435
169705
1722161
185166
1916110
2016869
21154709
2257099
2331658
2452394
25401481
26176811
27101350
28105573
29678357
30241883
31501717
32393818
33284003
34685542
351437354
361751297
373225579

[3,6,42,21,75,91,186,378,3051,987,1670,4182,6531,
 1494,8435,9705,22161,5166,16110,16869,154709,
 57099,31658,52394,401481,176811,101350,105573,
 678357,241883,501717,393818,284003,685542,1437354,
 1751297,3225579]