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A025649 as a simple table

na(n)
10
21
30
42
51
63
70
82
94
101
113
120
135
142
154
161
176
183
190
205
212
227
234
241
256
263
278
280
295
302
317
324
339
341
356
363
378
380
395
4010
412
427
434
449
451
466
4711
483
498
500
515
5210
532
547
5512
564
579
581
596
6011
613
628
6313
640
655
6610
672
687
6912
704
719
7214
731
746
7511
763
778
7813
790
805
8110
8215
832
847
8512
864
879
8814
891
906
9111
9216
933
948
9513
960
975
9810

[0,1,0,2,1,3,0,2,4,1,3,0,5,2,4,1,6,3,0,5,2,7,4,1,
 6,3,8,0,5,2,7,4,9,1,6,3,8,0,5,10,2,7,4,9,1,6,11,3,
 8,0,5,10,2,7,12,4,9,1,6,11,3,8,13,0,5,10,2,7,12,4,
 9,14,1,6,11,3,8,13,0,5,10,15,2,7,12,4,9,14,1,6,11,
 16,3,8,13,0,5,10]