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A173413 as a simple table

na(n)
41
56
629
7130
8561
92368
109855
1140622
12166303
13677420
142748952
1511122504
1644898891
17180912196
18727866627
192924860426
2011741400147
2147094376488
22188760540056
23756125505044
243027303565311
2512115171905092
2648466474069668

[1,6,29,130,561,2368,9855,40622,166303,677420,
 2748952,11122504,44898891,180912196,727866627,
 2924860426,11741400147,47094376488,188760540056,
 756125505044,3027303565311,12115171905092,
 48466474069668]