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A225987 as a triangular array

4
489
64039020
896020160319260
12902411064246527844872045
1892352626065441344324804180176026010420
2811494436112177922824415360036951200000215943008168160102
421724160211096262400

A225987 as a square array

4486408960129024189235228114944421724160
9390201601106424626065443611217792211096262400
20319265278413443248028244153600
60487204180176036951200000
452601021594300
4208168160
102
4486408960129024189235228114944421724160
9390201601106424626065443611217792211096262400
20319265278413443248028244153600
60487204180176036951200000
452601021594300
4208168160
102

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Last modified September 21 08:46 EDT 2024. Contains 376084 sequences. (Running on oeis4.)