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A225470 as a triangular array

1
21
1071
8066151
880806231261
12320121644040595401
20944021910880844141551275571
418880045916001835988363944396552415771
96342400109795600468193241020670012760099520041861001

A225470 as a square array

12108088012320209440418880096342400
1766806121642191084591600109795600
115231404080844183598846819324
1265951415536394410206700
1401275396551276009
157241595200
1774186
1100
1
12108088012320209440418880096342400
1766806121642191084591600109795600
115231404080844183598846819324
1265951415536394410206700
1401275396551276009
157241595200
1774186
1100
1