A253740 - OEIS

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A253740 as a triangular array

218

720 720

2212 1888 2212

6932 4100 4100 6932

22236 9876 7216 9876 22236

70372 25012 17608 17608 25012 70372

222820 60296 44332 54688 44332 60296 222820

706884 148328 102616 143080 143080 102616 148328

A253740 as a square array

`218`	`720`	`2212`	`6932`	`22236`	`70372`	`222820`	`706884`
`720`	`1888`	`4100`	`9876`	`25012`	`60296`	`148328`
`2212`	`4100`	`7216`	`17608`	`44332`	`102616`
`6932`	`9876`	`17608`	`54688`	`143080`
`22236`	`25012`	`44332`	`143080`
`70372`	`60296`	`102616`
`222820`	`148328`

A253740 as an upper right triangle

`218`	`720`	`2212`	`6932`	`22236`	`70372`	`222820`	`706884`
	`720`	`1888`	`4100`	`9876`	`25012`	`60296`	`148328`
		`2212`	`4100`	`7216`	`17608`	`44332`	`102616`
			`6932`	`9876`	`17608`	`54688`	`143080`
				`22236`	`25012`	`44332`	`143080`
					`70372`	`60296`	`102616`
						`222820`	`148328`

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Last modified December 6 19:52 EST 2023. Contains 367614 sequences. (Running on oeis4.)