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A277707 as a simple table

na(n)
10
21
32
40
53
61
74
81
90
101
115
122
136
141
152
160
177
181
198
203
212
221
239
241
250
261
272
284
2910
301
3111
321
332
341
353
360
3712
381
392
401
4113
421
4314
445
453
461
4715
482
490
501
512
526
5316
541
553
561
572
581
5917
602
6118
621
634
640
653
661
6719
687
692
701
7120
721
7321
741
752
768
774
781
7922
803
810
821
8323
842
853
861
872
881
8924
901
914
929
932
941
953
961
9725
981
995
1000
10126
1021
10327
1041
1052

[0,1,2,0,3,1,4,1,0,1,5,2,6,1,2,0,7,1,8,3,2,1,9,1,
 0,1,2,4,10,1,11,1,2,1,3,0,12,1,2,1,13,1,14,5,3,1,
 15,2,0,1,2,6,16,1,3,1,2,1,17,2,18,1,4,0,3,1,19,7,
 2,1,20,1,21,1,2,8,4,1,22,3,0,1,23,2,3,1,2,1,24,1,
 4,9,2,1,3,1,25,1,5,0,26,1,27,1,2]