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A049222 as a simple table

na(n)
10
20
30
41
54
613
741
8130
9415
101329
114260
1213657
1343781
14140346
15449891
161442157
174622932
1814819125
1947503729
20152276498
21488132887
221564743865
235015895108
2416078800033
2551541709869
26165220529546
27529625878779
281697752526549

[0,0,0,1,4,13,41,130,415,1329,4260,13657,43781,
 140346,449891,1442157,4622932,14819125,47503729,
 152276498,488132887,1564743865,5015895108,
 16078800033,51541709869,165220529546,529625878779,
 1697752526549]