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A133398 as a simple table

na(n)
11
22
34
45
56
68
79
810
911
1012
1113
1214
1315
1416
1517
1618
1719
1820
1921
2022
2123
2224
2325
2426
2527
2628
2729
2830
2932
3033
3134
3235
3336
3437
3538
3639
3740
3841
3942
4043
4144
4245
4346
4447
4548
4649
4750
4851
4952
5053
5154
5255
5356
5457
5558
5659
5760
5861
5962
6063
6164

[1,2,4,5,6,8,9,10,11,12,13,14,15,16,17,18,19,20,
 21,22,23,24,25,26,27,28,29,30,32,33,34,35,36,37,
 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,
 54,55,56,57,58,59,60,61,62,63,64]