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A149018 as a simple table

na(n)
01
11
23
39
435
5129
6520
72099
88807
937088
10159794
11690849
123030304
1313335930
1459258020
15264113060
161185147895
175332540349
1824112886920
19109297185243
20497282246389
212267352943686
2210368466205267
2347503254404371
24218152741334750
251003498005664967
264625071542555164
2721347976628985857

[1,1,3,9,35,129,520,2099,8807,37088,159794,690849,
 3030304,13335930,59258020,264113060,1185147895,
 5332540349,24112886920,109297185243,497282246389,
 2267352943686,10368466205267,47503254404371,
 218152741334750,1003498005664967,4625071542555164,
 21347976628985857]