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A309401 as a simple table

na(n)
01
11
23
343
45949
512950796
6586826390263
7669793946192984257
822558227235537152753501561
925741074696455818592335996518315259
101124843928218943684789052411802502269971863691
112100464404490451025972467064515428575200326254804659324780

[1,1,3,43,5949,12950796,586826390263,
 669793946192984257,22558227235537152753501561,
 25741074696455818592335996518315259,
 1124843928218943684789052411802502269971863691,
 21004644044904510259724670645154285752003262548046\
 59324780]