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A227920 as a simple table

na(n)
10
20
30
40
50
61
71
83
91
103
111
122
134
141
153
161
173
184
191
204
212
225
234
241
254
264
273
285
291
303
312
323
338
342
356
364
374
387
392
406
415
423
438
442
456
466
473
4810
492
508
514
524
5310
542
559
564
574
586
591
607
614
624
638
645
653
666
674
687
691
703
715
722
7310
743
757
765
773
7811
793
809
814
825
836
841
857
865
875
889
894
906
914
926
939
942
955
964
973
985
992
1006

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