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A234458 as a triangular array

280
24002400
213443111221344
192960427956427956192960
17555206049248924943260492481755520
16026240865456882073101202073101208654568816026240
1464151041246417268472688728074325650044726887280

A234458 as a square array

280240021344192960175552016026240146415104
2400311124279566049248865456881246417268
2134442795692494322073101204726887280
19296060492482073101207432565004
1755520865456884726887280
16026240
280240021344192960175552016026240146415104
2400311124279566049248865456881246417268
2134442795692494322073101204726887280
19296060492482073101207432565004
1755520865456884726887280
16026240