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A308629 as a simple table

na(n)
11
22
34
44
55
66
78
86
910
1010
119
1212
1313
1411
1515
1615
1715
1817
1918
2017
2120
2221
2319
2423
2524
2622
2726
2826
2924
3029
3129
3227
3332
3431
3530
3635
3733
3832
3938
4036
4135
4241
4338
4438
4544
4641
4739
4848
4943
5042
5151
5245
5345
5453
5548
5647
5756
5851
5950
6059
6153
6252
6362
6456
6555
6665
6758

[1,2,4,4,5,6,8,6,10,10,9,12,13,11,15,15,15,17,18,
 17,20,21,19,23,24,22,26,26,24,29,29,27,32,31,30,
 35,33,32,38,36,35,41,38,38,44,41,39,48,43,42,51,
 45,45,53,48,47,56,51,50,59,53,52,62,56,55,65,58]