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A237168 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
101
111
120
132
142
152
162
173
181
193
203
212
222
234
241
251
263
272
282
293
301
311
323
332
342
352
361
372
383
392
402
414
421
434
445
452
461
476
483
493
502
513
522
535
541
552
565
573
583
594
603
612
626
634
644
655
662
673
687
692
702

[0,0,0,0,0,0,0,0,1,1,1,0,2,2,2,2,3,1,3,3,2,2,4,1,
 1,3,2,2,3,1,1,3,2,2,2,1,2,3,2,2,4,1,4,5,2,1,6,3,3,
 2,3,2,5,1,2,5,3,3,4,3,2,6,4,4,5,2,3,7,2,2]