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A041521 as a simple table

na(n)
01
11
22
33
414
5143
6157
71242
82641
96524
1022213
1173163
12168539
13410241
143040226
153450467
1637544896
17153630051
18191174947
19344804998
20535979945
2117496163238
2218032143183
2335528306421
2453560449604
25249770104837
262551261497974
272801031602811
2822158482717651

[1,1,2,3,14,143,157,1242,2641,6524,22213,73163,
 168539,410241,3040226,3450467,37544896,153630051,
 191174947,344804998,535979945,17496163238,
 18032143183,35528306421,53560449604,249770104837,
 2551261497974,2801031602811,22158482717651]