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A156878 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
131
141
151
161
172
182
193
203
213
223
233
243
253
263
273
283
293
303
314
324
334
344
354
364
375
385
395
405
415
425
436
446
456
466
476
486
496
506
516
526
536
546
556
566
576
586
596
606
617
627
637
647
657
667
678
688
698
708
719
729
7310
7410
7510
7610
7710
7810
7911
8011
8111
8211
8311
8411
8511
8611
8711
8811
8911
9011
9111
9211
9311
9411

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