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A287051 as a simple table

na(n)
00
11
21
32
41
53
62
73
81
94
103
115
122
135
143
154
161
175
182
197
203
218
225
237
242
257
265
278
283
297
302
315
321
336
345
357
362
379
387
3910
403
4111
422
4313
445
4512
467
479
482
499
507
5112
525
5313
542
5511
563
5710
587
599
602
617
625
636
641
657
663
6711
685
6912
707
719
722
7311
743
7516
767
7717
785
7913
803
8114
8211
8313
842
8515
8613
8718
885
8917
903
9119
927
9316
943
9511
962
9711
983
9916
1007

[0,1,1,2,1,3,2,3,1,4,3,5,2,5,3,4,1,5,2,7,3,8,5,7,
 2,7,5,8,3,7,2,5,1,6,5,7,2,9,7,10,3,11,2,13,5,12,7,
 9,2,9,7,12,5,13,2,11,3,10,7,9,2,7,5,6,1,7,3,11,5,
 12,7,9,2,11,3,16,7,17,5,13,3,14,11,13,2,15,13,18,
 5,17,3,19,7,16,3,11,2,11,3,16,7]