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A288521 as a simple table

na(n)
11
22
34
45
57
68
710
811
913
1015
1117
1218
1320
1422
1524
1625
1727
1829
1931
2032
2133
2235
2336
2437
2539
2640
2742
2844
2946
3047
3148
3250
3351
3452
3554
3655
3757
3859
3961
4062
4163
4265
4366
4467
4569
4670
4771
4873
4974
5076
5177
5279
5380
5481
5583
5684
5786
5887
5989
6090
6192
6294
6396
6497
6598
66100

[1,2,4,5,7,8,10,11,13,15,17,18,20,22,24,25,27,29,
 31,32,33,35,36,37,39,40,42,44,46,47,48,50,51,52,
 54,55,57,59,61,62,63,65,66,67,69,70,71,73,74,76,
 77,79,80,81,83,84,86,87,89,90,92,94,96,97,98,100]