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A226598 as a simple table

na(n)
00
11
27
3172
4159331
5457962302281
634728196483190756583320206
710559069708767287358379688495183368797732655643889529662

[0,1,7,172,159331,457962302281,
 34728196483190756583320206,
 10559069708767287358379688495183368797732655643889\
 529662]