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A213251 as a simple table

na(n)
01
11
22
33
43
54
63
74
84
94
104
114
124
135
144
155
165
175
184
195
205
215
225
235
244
255
265
276
285
295
305
315
325
335
345
356
365
376
385
395
405
416
426
435
445
456
466
476
486
496
505
516
526
536
545
556
566
576
586
596
606
616
625
636
646
656
666
676
685
696
706
716
726
736
746
756
766
776
786
796
806
816
826
836
846
856
865
876
886
896
906
916
926
936
946
956
966
976
986
996

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