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A222867 as a simple table

na(n)
11
22
33
47
520
667
7254
81057
94700
1021847
11104474
12508477
132501480
1412386227
1561570694
16306778297
171530678260
187643776207
1938190084914
20190864134517
21954061999040
224769534367787
2323845345743134
24119219752001137

[1,2,3,7,20,67,254,1057,4700,21847,104474,508477,
 2501480,12386227,61570694,306778297,1530678260,
 7643776207,38190084914,190864134517,954061999040,
 4769534367787,23845345743134,119219752001137]