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A274244 as a simple table

na(n)
01
14
234
3494
48615
5165550
63380923
771999763
81580990725
935537491360
10813691565184
1118911247654404
12444978958424224
1310579389908116344
14253756528273411250
156133110915783398175
16149219383150626519874
173651756292682801022384
1889830021324956206790496
192219945238901447637080235
2055088272581138888326634644

[1,4,34,494,8615,165550,3380923,71999763,
 1580990725,35537491360,813691565184,
 18911247654404,444978958424224,10579389908116344,
 253756528273411250,6133110915783398175,
 149219383150626519874,3651756292682801022384,
 89830021324956206790496,2219945238901447637080235,
 55088272581138888326634644]