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A264468 as a simple table

na(n)
718
8780
915627
10235045
113086010
1237816568
13449766437
145291113080
1562237008779
16736806459069
178816027319934
18106900514193980
191315953951437664
2016464756848575162
21209528329365176670
222713295547732215190
2335762229764646245816
24479809424452611001696

[18,780,15627,235045,3086010,37816568,449766437,
 5291113080,62237008779,736806459069,8816027319934,
 106900514193980,1315953951437664,
 16464756848575162,209528329365176670,
 2713295547732215190,35762229764646245816,
 479809424452611001696]