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A161076 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
130
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311
321
331
341
351
361
371
381
391
401
411
422
431
441
452
461
471
482
491
501
512
521
531
542
551
562
573
582
593
604
613
624
635
644
655
666
675
686
697
706
717
728
737
748
759
768
779
7810
799
8010
8111
8210
8311
8412
8511
8612
8713
8812
8913
9014
9113
9214
9315
9414
9515
9616
9715
9817
9917
10016
10117
10218
10317
10418
10520
10618

[0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,
 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,1,2,1,
 1,2,1,1,2,1,2,3,2,3,4,3,4,5,4,5,6,5,6,7,6,7,8,7,8,
 9,8,9,10,9,10,11,10,11,12,11,12,13,12,13,14,13,14,
 15,14,15,16,15,17,17,16,17,18,17,18,20,18]