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A319821 as a simple table

na(n)
10
20
31
41
52
61
72
82
92
103
113
124
133
143
153
164
174
184
194
205
214
225
235
245
256
265
275
285
296
306
316
326
336
346
356
367
377
388
397
407
417
427
437
447
457
468
478
488
498
508
518
529
538
548
558
569
579
589
599
6010
619
629
639
649
659
669
6710
6810
6910
7010
7110
7210
7310
7410
7510
7610
7711
7810
7911
8011
8111
8212

[0,0,1,1,2,1,2,2,2,3,3,4,3,3,3,4,4,4,4,5,4,5,5,5,
 6,5,5,5,6,6,6,6,6,6,6,7,7,8,7,7,7,7,7,7,7,8,8,8,8,
 8,8,9,8,8,8,9,9,9,9,10,9,9,9,9,9,9,10,10,10,10,10,
 10,10,10,10,10,11,10,11,11,11,12]