A188881 - OEIS

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A188881 as a triangular array

1

1 1

2 3 2

6 11 12 6

24 50 70 60 24

120 274 450 510 360 120

720 1764 3248 4410 4200 2520 720

5040 13068 26264 40614 47040 38640 20160 5040

40320 109584 236248 403704 538776 544320 393120 181440 40320

A188881 as a square array

`1`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`
`1`	`3`	`11`	`50`	`274`	`1764`	`13068`	`109584`
`2`	`12`	`70`	`450`	`3248`	`26264`	`236248`
`6`	`60`	`510`	`4410`	`40614`	`403704`
`24`	`360`	`4200`	`47040`	`538776`
`120`	`2520`	`38640`	`544320`
`720`	`20160`	`393120`
`5040`	`181440`
`40320`

A188881 as an upper right triangle

`1`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`
	`1`	`3`	`11`	`50`	`274`	`1764`	`13068`	`109584`
		`2`	`12`	`70`	`450`	`3248`	`26264`	`236248`
			`6`	`60`	`510`	`4410`	`40614`	`403704`
				`24`	`360`	`4200`	`47040`	`538776`
					`120`	`2520`	`38640`	`544320`
						`720`	`20160`	`393120`
							`5040`	`181440`
								`40320`

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Last modified September 17 09:48 EDT 2024. Contains 375987 sequences. (Running on oeis4.)