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A025689 as a simple table

na(n)
10
20
31
40
51
62
70
81
92
103
110
121
132
143
154
160
171
182
193
204
215
220
231
242
253
264
275
280
296
301
312
323
334
345
350
366
371
387
392
403
414
425
430
446
451
467
472
488
493
504
515
520
536
541
557
562
578
583
599
604
615
620
636
641
657
662
678
683
699
704
7110
725
730
746
751
767
772
788
793
809
814
8210
835
840
8511
866
871
887
892
908
913
929
934
9410
955
960
9711
986
991
10012
1017
1022
1038
1043

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