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A002918 as a simple table

na(n)
06
148
2390
33216
426844
5229584
62006736
717809008
8159799812
91446245424
1013181330772
11120849559824
121113598633188

[6,48,390,3216,26844,229584,2006736,17809008,
 159799812,1446245424,13181330772,120849559824,
 1113598633188]