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A025664 as a simple table

na(n)
10
20
30
41
50
61
70
81
90
102
111
120
132
141
150
162
171
180
193
202
211
220
233
242
251
260
273
282
291
300
314
323
332
341
350
364
373
382
391
400
414
423
432
441
450
465
474
483
492
501
510
525
534
543
552
561
570
585
594
603
612
621
636
640
655
664
673
682
691
706
710
725
734
743
752
761
776
780
795
804
813
822
837
841
856
860
875
884
893
902
917
921
936
940
955
964
973
982
997
1001
1016
1020
1035
1044
1053
1068
1072
1087

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