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A260731 as a simple table

na(n)
00
11
21
31
42
52
62
72
83
94
104
114
125
135
145
155
166
176
187
197
208
218
228
238
249
2510
2610
2710
2810
2911
3011
3111
3212
3312
3413
3513
3614
3714
3814
3914
4015
4115
4215
4316
4416
4517
4617
4717
4818
4919
5019
5119
5220
5320
5420
5520
5621
5721
5822
5922
6022
6123
6223
6323
6424
6524
6624
6725
6825
6925
7026
7126
7227
7327
7428
7528
7628
7729
7829
7929
8030
8131
8231
8331
8432
8532
8632
8732
8833
8933
9034
9134
9234
9335
9435
9535
9636
9736
9837
9937
10038

[0,1,1,1,2,2,2,2,3,4,4,4,5,5,5,5,6,6,7,7,8,8,8,8,
 9,10,10,10,10,11,11,11,12,12,13,13,14,14,14,14,15,
 15,15,16,16,17,17,17,18,19,19,19,20,20,20,20,21,
 21,22,22,22,23,23,23,24,24,24,25,25,25,26,26,27,
 27,28,28,28,29,29,29,30,31,31,31,32,32,32,32,33,
 33,34,34,34,35,35,35,36,36,37,37,38]