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A012886 as a simple table

na(n)
01
12
23
38
430
5121
6493
72011
88204
933469
10136540
11557028
122272449
139270673
1437820597
15154292742
16629451995
172567909604
1810476032782
1942737977489
20174353665921
21711292452431
222901785575960
2311838111735997

[1,2,3,8,30,121,493,2011,8204,33469,136540,557028,
 2272449,9270673,37820597,154292742,629451995,
 2567909604,10476032782,42737977489,174353665921,
 711292452431,2901785575960,11838111735997]