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A119826 as a simple table

na(n)
01
13
29
326
476
5222
6648
71892
85524
916128
1047088
11137480
12401392
131171920
143421584
159989792
1629166592
1785155936
18248624640
19725894336
202119349824
216187737600
2218065963520
2352746101888
24153999606016
25449623342848
261312738101504
273832722100736
2811190167090176
2932671254584832

[1,3,9,26,76,222,648,1892,5524,16128,47088,137480,
 401392,1171920,3421584,9989792,29166592,85155936,
 248624640,725894336,2119349824,6187737600,
 18065963520,52746101888,153999606016,449623342848,
 1312738101504,3832722100736,11190167090176,
 32671254584832]