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A063660 as a simple table

na(n)
010
110
212
313
414
515
616
717
818
919
1011
1112
1213
1314
1415
1516
1617
1718
1819
1921
2021
2122
2223
2324
2425
2526
2627
2728
2829
2932
3031
3132
3233
3334
3435
3536
3637
3738
3839
3943
4041
4142
4243
4344
4445
4546
4647
4748
4849
4954
5051
5152
5253
5354
5455
5556
5657
5758
5859
5965
6061
6162
6263
6364
6465
6566
6667
6768
6869

[10,10,12,13,14,15,16,17,18,19,11,12,13,14,15,16,
 17,18,19,21,21,22,23,24,25,26,27,28,29,32,31,32,
 33,34,35,36,37,38,39,43,41,42,43,44,45,46,47,48,
 49,54,51,52,53,54,55,56,57,58,59,65,61,62,63,64,
 65,66,67,68,69]