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A222906 as a simple table

na(n)
11
21
32
41
54
65
74
87
914
1015
115
1225
1345
1475
1551
1614
1792
18373
19767
20411
21187
2217
23403
241202
257794
264909
272522
28715
2975
301710
3118981
32101398
33180203
34119393
3515919
362795
3795
388021
3982020
401346067
412117424
424320431
43759891
44103627
4511051
46411
4736160

[1,1,2,1,4,5,4,7,14,15,5,25,45,75,51,14,92,373,
 767,411,187,17,403,1202,7794,4909,2522,715,75,
 1710,18981,101398,180203,119393,15919,2795,95,
 8021,82020,1346067,2117424,4320431,759891,103627,
 11051,411,36160]