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A025906 as a simple table

na(n)
01
10
20
30
40
50
61
70
80
90
101
111
121
130
140
150
161
171
181
190
201
211
222
231
241
250
261
271
282
291
302
311
322
332
342
351
362
371
382
392
403
412
423
432
443
452
463
472
483
492
504
513
524
533
544
553
564
573
584
593
605
614
625
634
645
654
666
674
685
694
706
715
727
735
746
755
767
776
787
795

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