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A149030 as a simple table

na(n)
01
11
23
310
433
5124
6478
71876
87653
931520
10131923
11560361
122397177
1310362660
1445122797
15197619125
16871134632
173857758844
1817160398867
1976658932408
20343609269081
211545368262356
226971119129314
2331529648390000
24142971072421910
25649780474978174
262959380924404418
2713505223883964250

[1,1,3,10,33,124,478,1876,7653,31520,131923,
 560361,2397177,10362660,45122797,197619125,
 871134632,3857758844,17160398867,76658932408,
 343609269081,1545368262356,6971119129314,
 31529648390000,142971072421910,649780474978174,
 2959380924404418,13505223883964250]