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A003233 as a simple table

na(n)
11
22
34
45
56
67
79
810
912
1013
1114
1215
1317
1418
1520
1622
1723
1825
1926
2027
2128
2230
2331
2433
2534
2635
2736
2838
2939
3040
3141
3243
3344
3446
3547
3648
3749
3851
3952
4054
4156
4257
4359
4460
4561
4662
4764
4865
4967
5068
5169
5270
5372
5473
5575
5677
5778
5880
5981
6082
6183
6285
6386
6488
6589
6690
6791

[1,2,4,5,6,7,9,10,12,13,14,15,17,18,20,22,23,25,
 26,27,28,30,31,33,34,35,36,38,39,40,41,43,44,46,
 47,48,49,51,52,54,56,57,59,60,61,62,64,65,67,68,
 69,70,72,73,75,77,78,80,81,82,83,85,86,88,89,90,
 91]