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A212922 as a simple table

na(n)
11
22
35
421
5120
6800
75881
846565
9391876
103473879
1132226510
12311313683
133119693862
1432333294383
15345754479372
163807294710182
1743101806735623
18500977869387150
195971566838065819
2072925079326977943
21911614856156206061
2211656341547670071145
23152347288068103795503

[1,2,5,21,120,800,5881,46565,391876,3473879,
 32226510,311313683,3119693862,32333294383,
 345754479372,3807294710182,43101806735623,
 500977869387150,5971566838065819,
 72925079326977943,911614856156206061,
 11656341547670071145,152347288068103795503]