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A108887 as a triangular array

0
10
210
3400
49200
5163100
6251217000
736105812000
849307110000
9642114511340000
108156527934710000
11100362942352112700000
1212190347202199

A108887 as a square array

0123456789101112
0149162536496481100121
002312103021563690
001175871145527294347
00012111393235202
000044721199
00001127
00000
0000
000
00
0

A108887 as an upper right triangle

0123456789101112
0149162536496481100121
002312103021563690
001175871145527294347
00012111393235202
000044721199
00001127
00000
0000
000
00
0

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Last modified June 15 11:51 EDT 2024. Contains 373407 sequences. (Running on oeis4.)