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A034663 as a simple table

na(n)
04
132
2500
39632
4196964
54101152
685884500
71801914272
837828630724
9794320419872
1016680163512500
11350279478046112
127355841353205284
13154472474629724192
143243920610749364500
1568122323330527541152

[4,32,500,9632,196964,4101152,85884500,1801914272,
 37828630724,794320419872,16680163512500,
 350279478046112,7355841353205284,
 154472474629724192,3243920610749364500,
 68122323330527541152]