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A055407 as a simple table

na(n)
01
19
2171
31420
48262
533044
6111155
7312913
8793049
91807754
103834490
117601982
1214333819
1325683401
1444367189
1573913316
16119544010
17187884853
18288597817
19433331391
20638511294
21923461382
221314459790
231842974369
242550288371

[1,9,171,1420,8262,33044,111155,312913,793049,
 1807754,3834490,7601982,14333819,25683401,
 44367189,73913316,119544010,187884853,288597817,
 433331391,638511294,923461382,1314459790,
 1842974369,2550288371]