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A047454 as a simple table

na(n)
11
22
33
44
59
610
711
812
917
1018
1119
1220
1325
1426
1527
1628
1733
1834
1935
2036
2141
2242
2343
2444
2549
2650
2751
2852
2957
3058
3159
3260
3365
3466
3567
3668
3773
3874
3975
4076
4181
4282
4383
4484
4589
4690
4791
4892
4997
5098
5199
52100
53105
54106
55107
56108
57113
58114
59115
60116
61121
62122
63123

[1,2,3,4,9,10,11,12,17,18,19,20,25,26,27,28,33,34,
 35,36,41,42,43,44,49,50,51,52,57,58,59,60,65,66,
 67,68,73,74,75,76,81,82,83,84,89,90,91,92,97,98,
 99,100,105,106,107,108,113,114,115,116,121,122,
 123]