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A087854 as a triangular array

1
11
122
1496
16304824
11291260300120
118258120024002160720
13472951061575023940176405040
1582018207209268021168025872016128040320
11065613818765103121643544296352030240001632960362880

A087854 as a square array

1111111111
124612183458106
29309125872920185613
648260120051062072081876
2430024001575092680510312
1202160239402116801643544
720176402587202963520
50401612803024000
403201632960
362880

A087854 as an upper right triangle

1111111111
124612183458106
29309125872920185613
648260120051062072081876
2430024001575092680510312
1202160239402116801643544
720176402587202963520
50401612803024000
403201632960
362880

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Last modified November 20 03:25 EST 2018. Contains 317371 sequences. (Running on oeis4.)