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A300588 as a simple table

na(n)
11
21
30
42
51
62
71
84
90
102
115
123
135
144
151
163
177
180
194
207
216
222
239
247
251
262
278
284
291
3010
319
325
332
3412
3511
369
375
388
390
407
4110
426
431
443
4514
4612
477
484
4910
505
5111
520
5310
5414
5513
561
578
585
5917
6016
614
6213
636
6412
651
665
6715
682
699
7019
7112
7217
7311
745
7514
7610
7718
784
796
8016
8120
8219
8310
8413
850
864
876

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