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A239451 as a simple table

na(n)
10
20
30
40
52
61
74
81
93
104
112
122
136
141
155
166
176
183
194
202
213
222
234
246
255
266
273
285
294
303
314
327
338
344
353
364
376
384
396
407
418
424
4310
445
456
463
472
483
497
504
515
528
533
547
559
565
578
583
599
605
612
624
635
646
655
666
675
683
6911
707
716
727
736
744
756
766
777
786
794
804

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