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A221290 as a simple table

na(n)
11
21
31
42
54
61
74
816
912
101
117
1252
1392
1437
151
1612
17200
18673
19556
20114
211
2221
23792
245912
259107
263332
27351
281
2937
303080
3148298
32172904
33123958
3419996
351081
361
3765
3812164
39396846
402890017
414983598
421686304
43119972
443329
451
46114
4747827
483240527
4949684593

[1,1,1,2,4,1,4,16,12,1,7,52,92,37,1,12,200,673,
 556,114,1,21,792,5912,9107,3332,351,1,37,3080,
 48298,172904,123958,19996,1081,1,65,12164,396846,
 2890017,4983598,1686304,119972,3329,1,114,47827,
 3240527,49684593]