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A077308 as a simple table

na(n)
11
21
31
43
51
61
73
85
91
101
119
121
134
147
151
165
1723
181
1914
201
219
229
2313
245
251
2621
271
2813
2912
301
3136

[1,1,1,3,1,1,3,5,1,1,9,1,4,7,1,5,23,1,14,1,9,9,13,
 5,1,21,1,13,12,1,36]