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A025655 as a simple table

na(n)
10
21
30
42
51
60
73
82
91
104
110
123
132
145
151
164
170
183
196
202
215
221
234
247
250
263
276
282
295
308
311
324
337
340
353
366
379
382
395
408
411
424
437
4410
450
463
476
489
492
505
518
5211
531
544
557
5610
570
583
596
609
6112
622
635
648
6511
661
674
687
6910
700
7113
723
736
749
7512
762
775
788
7911
801
8114
824
837
8410
850
8613
873
886
899
9012
912
9215
935
948
9511
961
9714
984
997

[0,1,0,2,1,0,3,2,1,4,0,3,2,5,1,4,0,3,6,2,5,1,4,7,
 0,3,6,2,5,8,1,4,7,0,3,6,9,2,5,8,1,4,7,10,0,3,6,9,
 2,5,8,11,1,4,7,10,0,3,6,9,12,2,5,8,11,1,4,7,10,0,
 13,3,6,9,12,2,5,8,11,1,14,4,7,10,0,13,3,6,9,12,2,
 15,5,8,11,1,14,4,7]