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A336521 as a triangular array

1
11
121
1281
1216381
12241461921
1232326140810021
124057846721400253361
12489021100869002142000288141
1256129821440216002103898414598101571841
1264176636992525002432060815856206151582728641461

A336521 as a square array

11111111111
1222222222
1816243240485664
13814632657890212981766
119214084672110082144036992
110021400269002216002525002
1533614200010389844320608
128814145981015856206
115718415158272
1864146
1
11111111111
1222222222
1816243240485664
13814632657890212981766
119214084672110082144036992
110021400269002216002525002
1533614200010389844320608
128814145981015856206
115718415158272
1864146
1