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A237523 as a simple table

na(n)
10
20
30
40
50
60
70
81
91
102
112
122
131
142
151
162
175
184
194
201
213
223
233
242
254
264
274
282
294
305
316
325
333
343
353
366
375
384
394
406
416
422
436
446
456
462
476
485
495
502
514
524
537
547
554
563
575
585
599
605
615
623
635
642
653
6610
6710
689
697
705
718
725
739
748
756
764
775
786
7911
805

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