A209897 - OEIS

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A209897 as a triangular array

7

34 34

164 280 164

792 2304 2304 792

3824 19008 32800 19008 3824

18464 156800 470736 470736 156800 18464

89152 1293568 6762544 11857440 6762544 1293568 89152

430464 10671616 97195728 299879808 299879808

A209897 as a square array

`7`	`34`	`164`	`792`	`3824`	`18464`	`89152`	`430464`
`34`	`280`	`2304`	`19008`	`156800`	`1293568`	`10671616`
`164`	`2304`	`32800`	`470736`	`6762544`	`97195728`
`792`	`19008`	`470736`	`11857440`	`299879808`
`3824`	`156800`	`6762544`	`299879808`
`18464`	`1293568`
`89152`

A209897 as an upper right triangle

`7`	`34`	`164`	`792`	`3824`	`18464`	`89152`	`430464`
	`34`	`280`	`2304`	`19008`	`156800`	`1293568`	`10671616`
		`164`	`2304`	`32800`	`470736`	`6762544`	`97195728`
			`792`	`19008`	`470736`	`11857440`	`299879808`
				`3824`	`156800`	`6762544`	`299879808`
					`18464`	`1293568`
						`89152`

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)