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A186861 as a triangular array

1
40
9120
1640240
2584160240
3614440849600
492207681764120800
64312124037686712224000
81420182465081728022672298400
10054425209984325207407268272238400
121684

A186861 as a square array

149162536496481100121
0124084144220312420544684
024160408768124018242520
0244961764376865089984
00120867121728032520
0022402267274072
00298468272
002384
00
0

A186861 as an upper right triangle

149162536496481100121
0124084144220312420544684
024160408768124018242520
0244961764376865089984
00120867121728032520
0022402267274072
00298468272
002384
00
0

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)