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A196142 as a simple table

na(n)
15
217
326
483
5168
6346
7865
82055
94745
1010866
1124967
1257786
13134514
14312597
15722915
161670991
173869674
188969607
1920789120
2048159310
21111529135
22258315343
23598428365
241386426078
253211799633
267440009880
2717234511484
2839924363651
2992487922123

[5,17,26,83,168,346,865,2055,4745,10866,24967,
 57786,134514,312597,722915,1670991,3869674,
 8969607,20789120,48159310,111529135,258315343,
 598428365,1386426078,3211799633,7440009880,
 17234511484,39924363651,92487922123]