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A047419 as a simple table

na(n)
11
22
33
44
56
69
710
811
912
1014
1117
1218
1319
1420
1522
1625
1726
1827
1928
2030
2133
2234
2335
2436
2538
2641
2742
2843
2944
3046
3149
3250
3351
3452
3554
3657
3758
3859
3960
4062
4165
4266
4367
4468
4570
4673
4774
4875
4976
5078
5181
5282
5383
5484
5586
5689
5790
5891
5992
6094
6197
6298
6399
64100
65102

[1,2,3,4,6,9,10,11,12,14,17,18,19,20,22,25,26,27,
 28,30,33,34,35,36,38,41,42,43,44,46,49,50,51,52,
 54,57,58,59,60,62,65,66,67,68,70,73,74,75,76,78,
 81,82,83,84,86,89,90,91,92,94,97,98,99,100,102]