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A080557 as a simple table

na(n)
03
19
227
381
4225
5507
6912
71236
81587
91782
101977
112046
122070
131947
141680
151275
16951
17600
18402
19201
20114
2136
2215

[3,9,27,81,225,507,912,1236,1587,1782,1977,2046,
 2070,1947,1680,1275,951,600,402,201,114,36,15]