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A266715 as a simple table

na(n)
10
20
30
40
50
60
70
81
90
101
112
121
131
143
152
161
174
183
193
203
213
223
238
242
253
266
277
282
297
304
316
326
337
344
3510
362
378
389
399
403
4110
426
4311
446
4510
464
4717
484
497
5010
5112
526
5315
545
5513
567
5713
589
5919
603
6113
6212
6317
643
6517
667
6718
6811
6913
707
7121
727
7317
7412
7520
764
7723
786

[0,0,0,0,0,0,0,1,0,1,2,1,1,3,2,1,4,3,3,3,3,3,8,2,
 3,6,7,2,7,4,6,6,7,4,10,2,8,9,9,3,10,6,11,6,10,4,
 17,4,7,10,12,6,15,5,13,7,13,9,19,3,13,12,17,3,17,
 7,18,11,13,7,21,7,17,12,20,4,23,6]