A173424 - OEIS

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A173424 as a triangular array

1

1 1

3 1 3

15 3 3 15

105 15 9 15 105

945 105 45 45 105 945

10395 945 315 225 315 945 10395

135135 10395 2835 1575 1575 2835 10395 135135

2027025 135135 31185 14175 11025 14175 31185 135135 2027025

34459425

A173424 as a square array

`1`	`1`	`3`	`15`	`105`	`945`	`10395`	`135135`	`2027025`	`34459425`
`1`	`1`	`3`	`15`	`105`	`945`	`10395`	`135135`
`3`	`3`	`9`	`45`	`315`	`2835`	`31185`
`15`	`15`	`45`	`225`	`1575`	`14175`
`105`	`105`	`315`	`1575`	`11025`
`945`	`945`	`2835`	`14175`
`10395`	`10395`	`31185`
`135135`	`135135`
`2027025`

A173424 as an upper right triangle

`1`	`1`	`3`	`15`	`105`	`945`	`10395`	`135135`	`2027025`	`34459425`
	`1`	`1`	`3`	`15`	`105`	`945`	`10395`	`135135`
		`3`	`3`	`9`	`45`	`315`	`2835`	`31185`
			`15`	`15`	`45`	`225`	`1575`	`14175`
				`105`	`105`	`315`	`1575`	`11025`
					`945`	`945`	`2835`	`14175`
						`10395`	`10395`	`31185`
							`135135`	`135135`
								`2027025`

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)