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A290983 as a simple table

na(n)
20
30
41
51
60
71
82
91
102
112
123
132
142
153
164
173
182
193
205
213
224
234
246
255
264
274
287
295
306
315
328
336
346
357
369
376
386
396
4010
417
426
437
4411
459
468
478
4812
498
5010
519
5213
539
548
5511
5614
579
5810
5910
6015
6110
6210
6310
6416
6513
6612
6711
6817
6912
7014

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