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A072644 as a simple table

na(n)
00
11
22
32
43
53
63
74
84
93
104
113
124
135
145
155
165
174
184
195
205
214
225
235
246
256
266
276
286
296
307
316
327
334
345
354
365
376
386
396
406
414
425
435
446
456
466
477
487
497
507
517
527
537
548
557
568
577
587
598
608
617
628
638
649
655
664
676
685
695
704
716
725
737
746
757
766
777
786
797
806
815
826
836
847
856
866
877
887
897
908
917
928
938
948
958
968
978
987
998
1007
1018
1027
1038
1047

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