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A129580 as a simple table

na(n)
01
12
28
335
4167
5862
64779
728287
8177833
91182141
108276861
1160830800
12467892036
133756528046
1431407155606
15272873483535
162459042838030
1722945764798093
18221359390289706
192204643455978731
2022639204005810330
21239413600552185394

[1,2,8,35,167,862,4779,28287,177833,1182141,
 8276861,60830800,467892036,3756528046,31407155606,
 272873483535,2459042838030,22945764798093,
 221359390289706,2204643455978731,
 22639204005810330,239413600552185394]