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A055532 as a simple table

na(n)
36
4108
52310
665700
72583126
8142259628
911012710470
101196543891700
11181782466114326
1238435786111785788
1311256358984173551430

[6,108,2310,65700,2583126,142259628,11012710470,
 1196543891700,181782466114326,38435786111785788,
 11256358984173551430]