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A258564 as a triangular array

11532
179776179776
282644848841002826448
4462240013465281613465281644622400
702129040374984769665422008323749847696702129040
11033401600103717490704321924603456321924603456103717490704

A258564 as a square array

1153217977628264484462240070212904011033401600
17977648841001346528163749847696103717490704
28264481346528166542200832321924603456
446224003749847696321924603456
702129040103717490704
1153217977628264484462240070212904011033401600
17977648841001346528163749847696103717490704
28264481346528166542200832321924603456
446224003749847696321924603456
702129040103717490704