A222842 - OEIS

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A222842 as a triangular array

1

1 1

2 8 2

11 105 105 11

34 1585 4797 1585 34

131 23107 326408 326408 23107 131

438 353631 15364848 70144361 15364848 353631 438

2150 5338646 1077545438 15371324917 15371324917 1077545438 5338646 2150

7676

A222842 as a square array

`1`	`1`	`2`	`11`	`34`	`131`	`438`	`2150`	`7676`
`1`	`8`	`105`	`1585`	`23107`	`353631`	`5338646`
`2`	`105`	`4797`	`326408`	`15364848`	`1077545438`
`11`	`1585`	`326408`	`70144361`	`15371324917`
`34`	`23107`	`15364848`	`15371324917`
`131`	`353631`	`1077545438`
`438`	`5338646`
`2150`

A222842 as an upper right triangle

`1`	`1`	`2`	`11`	`34`	`131`	`438`	`2150`	`7676`
	`1`	`8`	`105`	`1585`	`23107`	`353631`	`5338646`
		`2`	`105`	`4797`	`326408`	`15364848`	`1077545438`
			`11`	`1585`	`326408`	`70144361`	`15371324917`
				`34`	`23107`	`15364848`	`15371324917`
					`131`	`353631`	`1077545438`
						`438`	`5338646`
							`2150`

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Last modified July 29 04:08 EDT 2024. Contains 374727 sequences. (Running on oeis4.)