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A261837 as a simple table

na(n)
01
11
23
346
4195
51876
651114
7322764
83644355
943916950
102427338628
1118277511616
12272107762602
133507931293608
1462485721142820
155810222040368296
1653025343448015811
17913540133071336044
1813871534219465464002
19253750203721349071650
205307815745011707670820

[1,1,3,46,195,1876,51114,322764,3644355,43916950,
 2427338628,18277511616,272107762602,3507931293608,
 62485721142820,5810222040368296,53025343448015811,
 913540133071336044,13871534219465464002,
 253750203721349071650,5307815745011707670820]