A268371 - OEIS

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A268371 as a triangular array

1

1 2

1 6 24

1 12 181 1051

1 30 941 21992 238048

1 65 4662 228013 9735647 195284973

1 158 23691 2337694 195616247 15256715219 577169894573

A268371 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`6`	`12`	`30`	`65`	`158`
`24`	`181`	`941`	`4662`	`23691`
`1051`	`21992`	`228013`	`2337694`
`238048`	`9735647`	`195616247`
`195284973`	`15256715219`
`577169894573`

A268371 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`6`	`12`	`30`	`65`	`158`
		`24`	`181`	`941`	`4662`	`23691`
			`1051`	`21992`	`228013`	`2337694`
				`238048`	`9735647`	`195616247`
					`195284973`	`15256715219`
						`577169894573`

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Last modified May 16 12:28 EDT 2024. Contains 372552 sequences. (Running on oeis4.)