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A303821 as a simple table

na(n)
10
21
31
43
53
64
74
85
93
106
115
125
136
146
154
167
176
187
197
2010
214
229
2310
246
2510
268
275
288
296
307
317
329
335
348
3511
366
3710
3811
396
4011
418
426
438
4411
454
469
479
487
496
5011
516
527
5311
547
5510
5611
575
5811
599
606
617
626
636
645
6512
667
6710
6815
698
7015
7110
7211
7313
7411
757
769
778
789
7912
8014

[0,1,1,3,3,4,4,5,3,6,5,5,6,6,4,7,6,7,7,10,4,9,10,
 6,10,8,5,8,6,7,7,9,5,8,11,6,10,11,6,11,8,6,8,11,4,
 9,9,7,6,11,6,7,11,7,10,11,5,11,9,6,7,6,6,5,12,7,
 10,15,8,15,10,11,13,11,7,9,8,9,12,14]