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A246472 as a simple table

na(n)
01
13
29
330
4109
5418
61650
76604
826589
9107274
10432934
111746484
127040626
1328362324
14114175812
15459344920
161847008989
177423262554
1829822432862
19119766845860
20480833598054
211929896415484
227744047734652
2331067665113640
24124613703290994
25499744683756868

[1,3,9,30,109,418,1650,6604,26589,107274,432934,
 1746484,7040626,28362324,114175812,459344920,
 1847008989,7423262554,29822432862,119766845860,
 480833598054,1929896415484,7744047734652,
 31067665113640,124613703290994,499744683756868]