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A261041 as a simple table

na(n)
01
12
24
310
429
597
6366
71534
87050
935167
10188835
111084180
126618472
1342756208
14291120551
152081922515
1615590248868
17121920095674
18993343650912
198414029179365
2073953763887277
21673316834487162
226340176007793060
2361657373569634586
24618445940056365121

[1,2,4,10,29,97,366,1534,7050,35167,188835,
 1084180,6618472,42756208,291120551,2081922515,
 15590248868,121920095674,993343650912,
 8414029179365,73953763887277,673316834487162,
 6340176007793060,61657373569634586,
 618445940056365121]