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A290898 as a simple table

na(n)
01
13
28
322
465
5203
6647
72053
86423
919811
1060490
11183750
12557551
131693921
145157224
1515731043
1648041589
17146785994
18448475954
191369853581
204182850121
2112769287055
2238976737437
23118967979141
24363132913719
251108463577238
263383732698880
2710329587789993

[1,3,8,22,65,203,647,2053,6423,19811,60490,183750,
 557551,1693921,5157224,15731043,48041589,
 146785994,448475954,1369853581,4182850121,
 12769287055,38976737437,118967979141,363132913719,
 1108463577238,3383732698880,10329587789993]