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A254334 as a simple table

na(n)
01
13
29
327
4121
5403
61209
73627
814921
952803
10162409
11491227
122273721
137225203
1422083609
15106254827
16319172521
17957521603
182953364809
1912940502427
2042902311321
21132707334003
22402122410009
232010408030027
246031224090121
2518093712270403
2654285137211209

[1,3,9,27,121,403,1209,3627,14921,52803,162409,
 491227,2273721,7225203,22083609,106254827,
 319172521,957521603,2953364809,12940502427,
 42902311321,132707334003,402122410009,
 2010408030027,6031224090121,18093712270403,
 54285137211209]