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A231561 as a simple table

na(n)
10
21
31
41
51
62
71
81
92
102
113
123
132
141
154
165
172
182
193
203
212
222
232
244
254
263
275
284
294
303
315
324
335
344
353
363
372
383
395
405
414
424
433
443
457
465
476
484
496
505
514
526
535
545
555
563
575
586
597
608
614
624
633
644
652
663
675
686
697
707
714
723
736
746
756
768
773
784
797
807
816
826
835
847
856
867
878
885
896
905
917
922
935
945
957
965
977
986
9910
1008

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