A277767 - OEIS

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A277767 as a triangular array

0

0 0

0 1 0

0 4 2 0

0 18 17 14 0

0 80 204 330 56 0

0 356 1989 9741 3666 284 0

0 1584 21141 275018 270291 46289 1304 0

0 7048 220549 7824415 20049229 8971150 560809 6248 0

0 31360 2292380 221983169 1487830718

A277767 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`1`	`4`	`18`	`80`	`356`	`1584`	`7048`	`31360`
`0`	`2`	`17`	`204`	`1989`	`21141`	`220549`	`2292380`
`0`	`14`	`330`	`9741`	`275018`	`7824415`	`221983169`
`0`	`56`	`3666`	`270291`	`20049229`	`1487830718`
`0`	`284`	`46289`	`8971150`
`0`	`1304`	`560809`
`0`	`6248`
`0`

A277767 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`1`	`4`	`18`	`80`	`356`	`1584`	`7048`	`31360`
		`0`	`2`	`17`	`204`	`1989`	`21141`	`220549`	`2292380`
			`0`	`14`	`330`	`9741`	`275018`	`7824415`	`221983169`
				`0`	`56`	`3666`	`270291`	`20049229`	`1487830718`
					`0`	`284`	`46289`	`8971150`
						`0`	`1304`	`560809`
							`0`	`6248`
								`0`

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Last modified April 23 15:04 EDT 2024. Contains 371914 sequences. (Running on oeis4.)