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A177903 as a simple table

na(n)
00
11
22
32
42
53
63
74
83
93
104
114
124
133
144
154
165
175
185
195
204
214
225
234
245
256
264
274
286
295
306
315
325
335
345
355
365
375
385
395
404
415
426
437
446
456
466
476
486
495
506
515
526
536
546
556
565
576
587
596
606
616
626
636
646
656
665
676
685
697
707
716
726
737
747
756
767
776
786
796
805
815
827
836
846
856
867
877
887
896
906
916
927
937
946
957
967
977
986
997
1007

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