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A143977 as a simple table

na(n)
11
21
31
41
52
61
72
82
92
102
112
123
133
143
152
162
174
184
194
204
212
223
234
245
256
265
274
283
293
305
316
327
337
346
355
363
373
386
397
408
419
428
437
446
453
464
476
488
4910
5010
5110
5210
538
546
554
564
577
589
5911
6012
6112
6212
6311
649
657
664
674
688
6910
7012
7114
7214
7314
7414
7512
7610
778
784
795
808
8111
8214
8315
8416
8517
8616
8715
8814
8911
908
915

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