A222169 - OEIS

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A222169 as a triangular array

1

3 3

9 19 9

27 121 121 27

81 771 1665 771 81

243 4913 22979 22979 4913 243

729 31307 317259 690437 317259 31307 729

2187 199497 4380445 20780181 20780181 4380445 199497 2187

6561 1271251 60481881 625649047

A222169 as a square array

`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
`3`	`19`	`121`	`771`	`4913`	`31307`	`199497`	`1271251`
`9`	`121`	`1665`	`22979`	`317259`	`4380445`	`60481881`
`27`	`771`	`22979`	`690437`	`20780181`	`625649047`
`81`	`4913`	`317259`	`20780181`
`243`	`31307`	`4380445`
`729`	`199497`
`2187`

A222169 as an upper right triangle

`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
	`3`	`19`	`121`	`771`	`4913`	`31307`	`199497`	`1271251`
		`9`	`121`	`1665`	`22979`	`317259`	`4380445`	`60481881`
			`27`	`771`	`22979`	`690437`	`20780181`	`625649047`
				`81`	`4913`	`317259`	`20780181`
					`243`	`31307`	`4380445`
						`729`	`199497`
							`2187`

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Last modified April 19 16:38 EDT 2024. Contains 371794 sequences. (Running on oeis4.)