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A001617 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
111
120
130
141
151
160
171
180
191
201
211
222
232
241
250
262
271
282
292
303
312
321
333
343
353
361
372
384
393
403
413
425
433
444
453
465
474
483
491
502
515
525
534
544
555
565
575
586
595
607
614
627
635
643
655
669
675
687
697
709
716
725
735
748
755
768
777
7811
796
807
814
829
837
8411
857
8610
879
889
897
9011
917
9210
939
9411
959
969
977
987
999
1007
1018
10215

[0,0,0,0,0,0,0,0,0,0,1,0,0,1,1,0,1,0,1,1,1,2,2,1,
 0,2,1,2,2,3,2,1,3,3,3,1,2,4,3,3,3,5,3,4,3,5,4,3,1,
 2,5,5,4,4,5,5,5,6,5,7,4,7,5,3,5,9,5,7,7,9,6,5,5,8,
 5,8,7,11,6,7,4,9,7,11,7,10,9,9,7,11,7,10,9,11,9,9,
 7,7,9,7,8,15]