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A007417 as a simple table

na(n)
11
22
34
45
57
68
79
810
911
1013
1114
1216
1317
1418
1519
1620
1722
1823
1925
2026
2128
2229
2331
2432
2534
2635
2736
2837
2938
3040
3141
3243
3344
3445
3546
3647
3749
3850
3952
4053
4155
4256
4358
4459
4561
4662
4763
4864
4965
5067
5168
5270
5371
5472
5573
5674
5776
5877
5979
6080
6181
6282
6383
6485
6586
6688
6789
6890
6991
7092
7194
7295
7397
7498
7599
76100

[1,2,4,5,7,8,9,10,11,13,14,16,17,18,19,20,22,23,
 25,26,28,29,31,32,34,35,36,37,38,40,41,43,44,45,
 46,47,49,50,52,53,55,56,58,59,61,62,63,64,65,67,
 68,70,71,72,73,74,76,77,79,80,81,82,83,85,86,88,
 89,90,91,92,94,95,97,98,99,100]