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A131828 as a simple table

na(n)
11
26
34
414
55
69
725
87
97
1016
1139
129
139
149
1525
1656
1711
1811
1911
2011
2136
2276
2313
2413
2513
2613
2713
2849
2999
3015
3115
3215
3315
3415
3515
3664
37125
3817
3917
4017
4117
4217
4317
4417
4581
46154
4719
4819
4919
5019
5119
5219
5319
5419
55100

[1,6,4,14,5,9,25,7,7,16,39,9,9,9,25,56,11,11,11,
 11,36,76,13,13,13,13,13,49,99,15,15,15,15,15,15,
 64,125,17,17,17,17,17,17,17,81,154,19,19,19,19,19,
 19,19,19,100]