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A277246 as a simple table

na(n)
01
12
29
331
4109
5339
61039
72957
88135
921280
1053688
11130174
12305539
13693598
141528901
153274785
166832548
1713900570
1827626151
1953692474
20102193925
21190678199
22349172204
23628122125
241111050987
251934048642
263315905471
275603441375
289339723645
2915364504830

[1,2,9,31,109,339,1039,2957,8135,21280,53688,
 130174,305539,693598,1528901,3274785,6832548,
 13900570,27626151,53692474,102193925,190678199,
 349172204,628122125,1111050987,1934048642,
 3315905471,5603441375,9339723645,15364504830]