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A002140 as a simple table

na(n)
00
11
2821
37812
448361
552187
6639972
7345328
82517902
99692874
101
1117178491
1280813853
1371584726
14405314501
15573958071
16654534862
17376833014
18230022216
19937178398
20821
211458801081
228887534942
237445284043
244241746854
255265153016
266710181308
2730235306401

[0,1,821,7812,48361,52187,639972,345328,2517902,
 9692874,1,17178491,80813853,71584726,405314501,
 573958071,654534862,376833014,230022216,937178398,
 821,1458801081,8887534942,7445284043,4241746854,
 5265153016,6710181308,30235306401]