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A281888 as a triangular array

0
00
000
0000
006800
0063863800
0048329284483200
00350021123201123203500200
0024120912823882156646128238824120900
00161256813907664387637823876378213907664161256800

A281888 as a square array

0000000000
000000000
00686384832350022412091612568
006389284112320128238813907664
004832112320215664638763782
0035002128238838763782
0024120913907664
001612568
00
0

A281888 as an upper right triangle

0000000000
000000000
00686384832350022412091612568
006389284112320128238813907664
004832112320215664638763782
0035002128238838763782
0024120913907664
001612568
00
0

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Last modified May 22 04:38 EDT 2022. Contains 353933 sequences. (Running on oeis4.)