A222878 - OEIS

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A222878 as a triangular array

1

1 2

2 11 5

11 122 131 15

34 1814 6282 2150 51

131 26311 409775 443510 32491 187

438 399849 19707855 95867967 23794078 533186 715

2150 6013669 1340197778 20978414941 22794825314 1698174722 8362152 2795

7676

A222878 as a square array

`1`	`1`	`2`	`11`	`34`	`131`	`438`	`2150`	`7676`
`2`	`11`	`122`	`1814`	`26311`	`399849`	`6013669`
`5`	`131`	`6282`	`409775`	`19707855`	`1340197778`
`15`	`2150`	`443510`	`95867967`	`20978414941`
`51`	`32491`	`23794078`	`22794825314`
`187`	`533186`	`1698174722`
`715`	`8362152`
`2795`

A222878 as an upper right triangle

`1`	`1`	`2`	`11`	`34`	`131`	`438`	`2150`	`7676`
	`2`	`11`	`122`	`1814`	`26311`	`399849`	`6013669`
		`5`	`131`	`6282`	`409775`	`19707855`	`1340197778`
			`15`	`2150`	`443510`	`95867967`	`20978414941`
				`51`	`32491`	`23794078`	`22794825314`
					`187`	`533186`	`1698174722`
						`715`	`8362152`
							`2795`

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Last modified April 25 14:08 EDT 2024. Contains 371989 sequences. (Running on oeis4.)