A203610 - OEIS

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A203610 as a triangular array

2

2 2

2 8 2

2 20 20 2

2 44 126 44 2

2 116 728 728 116 2

2 332 4374 10016 4374 332 2

2 900 25788 129656 129656 25788 900 2

2 2268 149794 1649668 3648810 1649668 149794 2268 2

2 5716 866692 20742920 98676048

A203610 as a square array

`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`2`	`8`	`20`	`44`	`116`	`332`	`900`	`2268`	`5716`
`2`	`20`	`126`	`728`	`4374`	`25788`	`149794`	`866692`
`2`	`44`	`728`	`10016`	`129656`	`1649668`	`20742920`
`2`	`116`	`4374`	`129656`	`3648810`	`98676048`
`2`	`332`	`25788`	`1649668`
`2`	`900`	`149794`
`2`	`2268`
`2`

A203610 as an upper right triangle

`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
	`2`	`8`	`20`	`44`	`116`	`332`	`900`	`2268`	`5716`
		`2`	`20`	`126`	`728`	`4374`	`25788`	`149794`	`866692`
			`2`	`44`	`728`	`10016`	`129656`	`1649668`	`20742920`
				`2`	`116`	`4374`	`129656`	`3648810`	`98676048`
					`2`	`332`	`25788`	`1649668`
						`2`	`900`	`149794`
							`2`	`2268`
								`2`

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Last modified April 16 11:48 EDT 2024. Contains 371711 sequences. (Running on oeis4.)