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A249857 as a simple table

na(n)
10
20
30
41
50
61
72
81
92
103
110
124
135
140
155
166
172
182
198
201
215
226
233
247
259
260
279
2811
290
3011
3113
320
335
3413
351
3610
3714
381
396
4014
412
4211
4315
444
4515
4616
472
4816
4912
505
5116
5217
533
5417
5518
560
5719
5820
590
6021
6124
620
6321
6424
651
6615
6726
683
6917
7024
714
7219
7326
742
7521
7626

[0,0,0,1,0,1,2,1,2,3,0,4,5,0,5,6,2,2,8,1,5,6,3,7,
 9,0,9,11,0,11,13,0,5,13,1,10,14,1,6,14,2,11,15,4,
 15,16,2,16,12,5,16,17,3,17,18,0,19,20,0,21,24,0,
 21,24,1,15,26,3,17,24,4,19,26,2,21,26]