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A218981 as a simple table

na(n)
15
29
314
415
520
621
722
825
926
1027
1128
1232
1333
1434
1535
1638
1739
1840
1942
2044
2145
2246
2349
2450
2551
2652
2754
2855
2956
3057
3158
3262
3363
3464
3565
3666
3768
3869
3970
4074
4175
4276
4377
4478
4580
4681
4782
4885
4986
5087
5188
5291
5392
5493
5594
5695
5796
5898
5999
60100

[5,9,14,15,20,21,22,25,26,27,28,32,33,34,35,38,39,
 40,42,44,45,46,49,50,51,52,54,55,56,57,58,62,63,
 64,65,66,68,69,70,74,75,76,77,78,80,81,82,85,86,
 87,88,91,92,93,94,95,96,98,99,100]