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A331953 as a simple table

na(n)
01
11
22
32
41
53
64
74
82
91
106
116
123
133
143
158
161
174
182
192
205
215
225
235
245
251
266
273
283
293
307
317
322
332
347
358
361
374
384
394
409
419
429
439
449
455
465
475
483
491
502
512
5211
5311
546
556
566
576
586
596
6013
6113
6213
637
641
654
664
674
687
697
7015
7115
722
732
748
753
763
773
788
798
805
811
825
835
845

[1,1,2,2,1,3,4,4,2,1,6,6,3,3,3,8,1,4,2,2,5,5,5,5,
 5,1,6,3,3,3,7,7,2,2,7,8,1,4,4,4,9,9,9,9,9,5,5,5,3,
 1,2,2,11,11,6,6,6,6,6,6,13,13,13,7,1,4,4,4,7,7,15,
 15,2,2,8,3,3,3,8,8,5,1,5,5,5]