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A076877 as a simple table

na(n)
13
25
35
49
59
69
79
817
917
1017
1117
1217
1317
1417
1517
1633
1733
1833
1933
2033
2133
2233
2333
2433
2533
2633
2733
2833
2933
3033
3133
3265
3365
3465
3565
3665
3765
3865
3965
4065
4165
4265
4365
4465
4565
4665
4765
4865
4965
5065
5165
5265
5365
5465
5565
5665
5765
5865
5965
6065
6165
6265
6365
64129
65129
66129
67129
68129
69129

[3,5,5,9,9,9,9,17,17,17,17,17,17,17,17,33,33,33,
 33,33,33,33,33,33,33,33,33,33,33,33,33,65,65,65,
 65,65,65,65,65,65,65,65,65,65,65,65,65,65,65,65,
 65,65,65,65,65,65,65,65,65,65,65,65,65,129,129,
 129,129,129,129]