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A224658 as a triangular array

19683
6779767797
233523171315233523
804357444933444933804357
3295269122150788670712215073295269
13499973433449919370611937061433449913499973
553063411588963558587573374595585875715889635

A224658 as a square array

196836779723352380435732952691349997355306341
677971713154449331221507433449915889635
23352344493388670719370615858757
804357122150719370613374595
329526943344995858757
1349997315889635
196836779723352380435732952691349997355306341
677971713154449331221507433449915889635
23352344493388670719370615858757
804357122150719370613374595
329526943344995858757
1349997315889635