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A091621 as a simple table

na(n)
11
23
37
418
543
6102
7241
8563
91293
102960
116722
1215140
1333919
1475576
15167490
16369556
17811953
181776993
193875220
208423004
2118251468
2239435686
2384980633
24182669118
25391736024
26838237802
271789955529
283814790598
298115210879

[1,3,7,18,43,102,241,563,1293,2960,6722,15140,
 33919,75576,167490,369556,811953,1776993,3875220,
 8423004,18251468,39435686,84980633,182669118,
 391736024,838237802,1789955529,3814790598,
 8115210879]