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A038501 as a simple table

na(n)
11
21
32
413
534
6311
71027
813097
9830791
103571637
11343729027
128317846498
1342507358018
141190957966624
15207446783316571
1642972383599819106
17263399640264083317
1866893661053152500843
192896125979752486313692
2019472790611741252075400
216423885211527441058125587

[1,1,2,13,34,311,1027,13097,830791,3571637,
 343729027,8317846498,42507358018,1190957966624,
 207446783316571,42972383599819106,
 263399640264083317,66893661053152500843,
 2896125979752486313692,19472790611741252075400,
 6423885211527441058125587]