A281888 - OEIS

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A281888 as a triangular array

0

0 0

0 0 0

0 0 0 0

0 0 68 0 0

0 0 638 638 0 0

0 0 4832 9284 4832 0 0

0 0 35002 112320 112320 35002 0 0

0 0 241209 1282388 2156646 1282388 241209 0 0

0 0 1612568 13907664 38763782 38763782 13907664 1612568 0 0

A281888 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`0`	`68`	`638`	`4832`	`35002`	`241209`	`1612568`
`0`	`0`	`638`	`9284`	`112320`	`1282388`	`13907664`
`0`	`0`	`4832`	`112320`	`2156646`	`38763782`
`0`	`0`	`35002`	`1282388`	`38763782`
`0`	`0`	`241209`	`13907664`
`0`	`0`	`1612568`
`0`	`0`
`0`

A281888 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`0`	`0`	`68`	`638`	`4832`	`35002`	`241209`	`1612568`
			`0`	`0`	`638`	`9284`	`112320`	`1282388`	`13907664`
				`0`	`0`	`4832`	`112320`	`2156646`	`38763782`
					`0`	`0`	`35002`	`1282388`	`38763782`
						`0`	`0`	`241209`	`13907664`
							`0`	`0`	`1612568`
								`0`	`0`
									`0`

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Last modified April 26 01:44 EDT 2024. Contains 371989 sequences. (Running on oeis4.)