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A180585 as a simple table

na(n)
11
29
3510
412348
5351258
69806292
7276018090
87769376972
9218915964618
106169925169414
11173923080282474
124903042542453720
13138226113213225360
143896923927019062734
15109864493967924549384
163097380080814655131414

[1,9,510,12348,351258,9806292,276018090,
 7769376972,218915964618,6169925169414,
 173923080282474,4903042542453720,
 138226113213225360,3896923927019062734,
 109864493967924549384,3097380080814655131414]