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A049416 as a simple table

na(n)
13
29
331
499
5316
6999
73162
89999
931622
1099999
11316227
12999999
133162277
149999999
1531622776
1699999999
17316227766
18999999999
193162277660
209999999999
2131622776601
2299999999999
23316227766016
24999999999999
253162277660168

[3,9,31,99,316,999,3162,9999,31622,99999,316227,
 999999,3162277,9999999,31622776,99999999,
 316227766,999999999,3162277660,9999999999,
 31622776601,99999999999,316227766016,999999999999,
 3162277660168]