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A199681 as a simple table

na(n)
012
1100
2892
38020
472172
5649540
65845852
752612660
8473513932
94261625380
1038354628412
11345191655700
123106724901292
1327960524111620
14251644717004572
152264802453041140
1620383222077370252
17183448998696332260

[12,100,892,8020,72172,649540,5845852,52612660,
 473513932,4261625380,38354628412,345191655700,
 3106724901292,27960524111620,251644717004572,
 2264802453041140,20383222077370252,
 183448998696332260]