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A005528 as a simple table

na(n)
11
22
34
45
56
69
710
811
912
1014
1115
1216
1319
1420
1522
1623
1724
1825
1926
2027
2128
2229
2333
2434
2535
2636
2737
2839
2940
3042
3144
3245
3348
3449
3551
3652
3753
3854
3956
4058
4159
4260
4361
4462
4563
4664
4765
4866
4967
5069
5171
5274
5377
5478
5579
5680
5781
5882
5984
6085
6186
6287
6388
6489
6590
6692
6794
6895
6996

[1,2,4,5,6,9,10,11,12,14,15,16,19,20,22,23,24,25,
 26,27,28,29,33,34,35,36,37,39,40,42,44,45,48,49,
 51,52,53,54,56,58,59,60,61,62,63,64,65,66,67,69,
 71,74,77,78,79,80,81,82,84,85,86,87,88,89,90,92,
 94,95,96]