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A060477 as a simple table

na(n)
13
21
32
43
56
69
718
830
956
1099
11186
12335
13630
141161
152182
164080
177710
1814532
1927594
2052377
2199858
22190557
23364722
24698870
251342176
262580795
274971008
289586395
2918512790
3035790267
3169273666
32134215680
33260300986
34505286415
35981706806
361908866960
373714566310

[3,1,2,3,6,9,18,30,56,99,186,335,630,1161,2182,
 4080,7710,14532,27594,52377,99858,190557,364722,
 698870,1342176,2580795,4971008,9586395,18512790,
 35790267,69273666,134215680,260300986,505286415,
 981706806,1908866960,3714566310]