A189355 - OEIS

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A189355 as a triangular array

0

1 1

0 4 0

1 13 13 1

0 45 48 45 0

1 160 557 557 160 1

0 565 3632 12592 3632 565 0

1 2005 30769 237297 237297 30769 2005 1

0 7108 229248 4791913 10252800 4791913 229248 7108 0

1 25209 1815601 94635005

A189355 as a square array

`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`
`1`	`4`	`13`	`45`	`160`	`565`	`2005`	`7108`	`25209`
`0`	`13`	`48`	`557`	`3632`	`30769`	`229248`	`1815601`
`1`	`45`	`557`	`12592`	`237297`	`4791913`	`94635005`
`0`	`160`	`3632`	`237297`	`10252800`
`1`	`565`	`30769`	`4791913`
`0`	`2005`	`229248`
`1`	`7108`
`0`

A189355 as an upper right triangle

`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`	`0`	`1`
	`1`	`4`	`13`	`45`	`160`	`565`	`2005`	`7108`	`25209`
		`0`	`13`	`48`	`557`	`3632`	`30769`	`229248`	`1815601`
			`1`	`45`	`557`	`12592`	`237297`	`4791913`	`94635005`
				`0`	`160`	`3632`	`237297`	`10252800`
					`1`	`565`	`30769`	`4791913`
						`0`	`2005`	`229248`
							`1`	`7108`
								`0`

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)