A341847 - OEIS

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A341847 as a triangular array

1

1 1

1 1 1

1 1 1 1

1 3 2 3 1

1 3 10 10 3 1

1 15 40 84 40 15 1

1 15 296 852 852 296 15 1

1 105 1576 11580 22368 11580 1576 105 1

1 105 15352 197640 822528 822528 197640 15352 105 1

1 945 104000 4314240 38772864 84961440 38772864 4314240 104000 945 1

A341847 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`1`	`1`	`3`	`3`	`15`	`15`	`105`	`105`	`945`
`1`	`1`	`2`	`10`	`40`	`296`	`1576`	`15352`	`104000`
`1`	`3`	`10`	`84`	`852`	`11580`	`197640`	`4314240`
`1`	`3`	`40`	`852`	`22368`	`822528`	`38772864`
`1`	`15`	`296`	`11580`	`822528`	`84961440`
`1`	`15`	`1576`	`197640`	`38772864`
`1`	`105`	`15352`	`4314240`
`1`	`105`	`104000`
`1`	`945`
`1`

A341847 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`1`	`1`	`3`	`3`	`15`	`15`	`105`	`105`	`945`
		`1`	`1`	`2`	`10`	`40`	`296`	`1576`	`15352`	`104000`
			`1`	`3`	`10`	`84`	`852`	`11580`	`197640`	`4314240`
				`1`	`3`	`40`	`852`	`22368`	`822528`	`38772864`
					`1`	`15`	`296`	`11580`	`822528`	`84961440`
						`1`	`15`	`1576`	`197640`	`38772864`
							`1`	`105`	`15352`	`4314240`
								`1`	`105`	`104000`
									`1`	`945`
										`1`

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Last modified June 13 00:51 EDT 2024. Contains 373362 sequences. (Running on oeis4.)