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A025687 as a simple table

na(n)
10
20
31
40
51
62
70
81
92
100
113
121
132
140
153
161
174
182
190
203
211
224
232
240
255
263
271
284
292
300
315
323
331
346
354
362
370
385
393
401
416
424
432
440
457
465
473
481
496
504
512
520
537
545
553
561
578
586
594
602
610
627
635
643
651
668
676
684
692
709
710
727
735
743
751
768
776
784
792
809
810
827
835
843
8510
861
878
886
894
902
919
920
937
945
953
9610
971
988
996
1004
10111
1022
1039
1040
1057
1065

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