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A149166 as a simple table

na(n)
01
11
24
39
442
5120
6570
71825
88890
930534
10149418
11536896
122650062
139848282
1448696782
15185458037
16920584716
173576385528
1817767869592
1970107220264
20348996559758
211395354752334
226949384790858
2328086919632832
24140041190373276
25571375438865004
262849662081018354
2711720152721264588
2858492355525303946

[1,1,4,9,42,120,570,1825,8890,30534,149418,536896,
 2650062,9848282,48696782,185458037,920584716,
 3576385528,17767869592,70107220264,348996559758,
 1395354752334,6949384790858,28086919632832,
 140041190373276,571375438865004,2849662081018354,
 11720152721264588,58492355525303946]