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A072548 as a simple table

na(n)
20
30
41
50
60
70
83
91
102
112
123
132
140
150
161
174
184
194
202
210
224
236
246
254
266
274
282
290
302
3110
328
334
3410
354
363
372
380
398
406
413
425
432
440
458
462
473
484
4912
503
5112
528
536
548
558
568
570
5810
599
6015
618
626
6314
641
6512
660
6711
6812
691
7011
7112
7215
7311
749
7519
7614
7712
780
7914
8010
8111
8216
8315
8417
8516
8617
875
8819
8918
9018

[0,0,1,0,0,0,3,1,2,2,3,2,0,0,1,4,4,4,2,0,4,6,6,4,
 6,4,2,0,2,10,8,4,10,4,3,2,0,8,6,3,5,2,0,8,2,3,4,
 12,3,12,8,6,8,8,8,0,10,9,15,8,6,14,1,12,0,11,12,1,
 11,12,15,11,9,19,14,12,0,14,10,11,16,15,17,16,17,
 5,19,18,18]