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A025643 as a simple table

na(n)
10
21
30
42
51
63
70
82
94
101
113
125
130
142
154
166
171
183
195
207
210
222
234
246
258
261
273
285
297
309
310
322
334
346
358
3610
371
383
395
407
419
4211
430
442
454
466
478
4810
4912
501
513
525
537
549
5511
5613
570
582
594
606
618
6210
6312
6414
651
663
675
687
699
7011
7113
7215
730
742
754
766
778
7810
7912
8014
8116
821
833
845
857
869
8711
8813
8915
9017
910
922
934
946
958
9610

[0,1,0,2,1,3,0,2,4,1,3,5,0,2,4,6,1,3,5,7,0,2,4,6,
 8,1,3,5,7,9,0,2,4,6,8,10,1,3,5,7,9,11,0,2,4,6,8,
 10,12,1,3,5,7,9,11,13,0,2,4,6,8,10,12,14,1,3,5,7,
 9,11,13,15,0,2,4,6,8,10,12,14,16,1,3,5,7,9,11,13,
 15,17,0,2,4,6,8,10]