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A350623 as a simple table

na(n)
11
21
31
41
54
69
71
849
9121
10400
11361
127569
1336481
1438809
151036324
167187761
1767092481
1834117281
196607901521
2068162766400
21385083543601
229202249657441
23209674135856641
244853089476046161
257099336433764
262600282294202480889
2760193393235277536641
281371165544633857017809

[1,1,1,1,4,9,1,49,121,400,361,7569,36481,38809,
 1036324,7187761,67092481,34117281,6607901521,
 68162766400,385083543601,9202249657441,
 209674135856641,4853089476046161,7099336433764,
 2600282294202480889,60193393235277536641,
 1371165544633857017809]