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A243289 as a simple table

na(n)
11
21
31
41
53
62
74
83
93
106
118
125
135
1410
1510
167
1711
188
1916
209
2116
2215
2319
2412
2517
2620
2714
2824
2915
3021
3116
3225
3317
3429
3527
3626
3720
3820
3928
4034
4136
4223
4334
4440
4525
4625
4735
4843
4943
5028
5138
5229
5346
5440
5545
5632
5751
5847
5944
6052
6136
6236
6356
6437
6561
6650
6739
6839
6964
7058

[1,1,1,1,3,2,4,3,3,6,8,5,5,10,10,7,11,8,16,9,16,
 15,19,12,17,20,14,24,15,21,16,25,17,29,27,26,20,
 20,28,34,36,23,34,40,25,25,35,43,43,28,38,29,46,
 40,45,32,51,47,44,52,36,36,56,37,61,50,39,39,64,
 58]