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A349817 as a simple table

na(n)
11
215
350
4254
51202
65774
727650
8132494
9634802
103041534
1114572850
1269822734
13334540802
141602881294
157679865650
1636796446974
17176302369202
18844715399054
194047274626050
2019391657731214
2192911014030002
22445163412418814
232132906048064050
2410219366827901454
2548963928091443202

[1,15,50,254,1202,5774,27650,132494,634802,
 3041534,14572850,69822734,334540802,1602881294,
 7679865650,36796446974,176302369202,844715399054,
 4047274626050,19391657731214,92911014030002,
 445163412418814,2132906048064050,
 10219366827901454,48963928091443202]