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A004142 as a simple table

na(n)
00
11
210
357
4260
51055
63990
714413
850440
9172539
10580250
111926089
126328140
1320619703
1466732190
15214742085
16687698960
172193154547
186968850210
1922073006401
2069714716500
21219623377071
22690291036710

[0,1,10,57,260,1055,3990,14413,50440,172539,
 580250,1926089,6328140,20619703,66732190,
 214742085,687698960,2193154547,6968850210,
 22073006401,69714716500,219623377071,690291036710]