A235289 - OEIS

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A235289 as a triangular array

20

40 40

68 68 68

136 104 104 136

236 188 148 188 236

472 304 248 248 304 472

836 572 380 380 380 572 836

1672 968 680 544 544 680 968 1672

3020 1868 1108 908 740 908 1108 1868 3020

6040 3280 2072 1400 1168 1168

A235289 as a square array

`20`	`40`	`68`	`136`	`236`	`472`	`836`	`1672`	`3020`	`6040`
`40`	`68`	`104`	`188`	`304`	`572`	`968`	`1868`	`3280`
`68`	`104`	`148`	`248`	`380`	`680`	`1108`	`2072`
`136`	`188`	`248`	`380`	`544`	`908`	`1400`
`236`	`304`	`380`	`544`	`740`	`1168`
`472`	`572`	`680`	`908`	`1168`
`836`	`968`	`1108`
`1672`	`1868`
`3020`

A235289 as an upper right triangle

`20`	`40`	`68`	`136`	`236`	`472`	`836`	`1672`	`3020`	`6040`
	`40`	`68`	`104`	`188`	`304`	`572`	`968`	`1868`	`3280`
		`68`	`104`	`148`	`248`	`380`	`680`	`1108`	`2072`
			`136`	`188`	`248`	`380`	`544`	`908`	`1400`
				`236`	`304`	`380`	`544`	`740`	`1168`
					`472`	`572`	`680`	`908`	`1168`
						`836`	`968`	`1108`
							`1672`	`1868`
								`3020`

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Last modified April 19 07:26 EDT 2024. Contains 371782 sequences. (Running on oeis4.)