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A025671 as a simple table

na(n)
10
21
30
42
51
60
73
82
91
100
114
123
132
141
150
165
174
183
192
201
210
226
235
244
253
262
271
287
290
306
315
324
333
342
358
361
377
380
396
405
414
423
439
442
458
461
477
480
496
505
514
5210
533
549
552
568
571
587
590
606
615
6211
634
6410
653
669
672
688
691
707
710
726
7312
745
7511
764
7710
783
799
802
818
821
837
8413
850
866
8712
885
8911
904
9110
923
939
942
958
9614
971
987
9913
1000
1016

[0,1,0,2,1,0,3,2,1,0,4,3,2,1,0,5,4,3,2,1,0,6,5,4,
 3,2,1,7,0,6,5,4,3,2,8,1,7,0,6,5,4,3,9,2,8,1,7,0,6,
 5,4,10,3,9,2,8,1,7,0,6,5,11,4,10,3,9,2,8,1,7,0,6,
 12,5,11,4,10,3,9,2,8,1,7,13,0,6,12,5,11,4,10,3,9,
 2,8,14,1,7,13,0,6]