A280810 - OEIS

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A280810 as a triangular array

0

0 0

0 1 0

0 3 3 0

0 18 56 18 0

0 72 332 332 72 0

0 284 1578 2146 1578 284 0

0 1047 6540 9715 9715 6540 1047 0

0 3722 24490 37644 41931 37644 24490 3722 0

0 12816 86010 133067 155560 155560 133067 86010 12816 0

0

A280810 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`1`	`3`	`18`	`72`	`284`	`1047`	`3722`	`12816`
`0`	`3`	`56`	`332`	`1578`	`6540`	`24490`	`86010`
`0`	`18`	`332`	`2146`	`9715`	`37644`	`133067`
`0`	`72`	`1578`	`9715`	`41931`	`155560`
`0`	`284`	`6540`	`37644`	`155560`
`0`	`1047`	`24490`	`133067`
`0`	`3722`	`86010`
`0`	`12816`
`0`

A280810 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`1`	`3`	`18`	`72`	`284`	`1047`	`3722`	`12816`
		`0`	`3`	`56`	`332`	`1578`	`6540`	`24490`	`86010`
			`0`	`18`	`332`	`2146`	`9715`	`37644`	`133067`
				`0`	`72`	`1578`	`9715`	`41931`	`155560`
					`0`	`284`	`6540`	`37644`	`155560`
						`0`	`1047`	`24490`	`133067`
							`0`	`3722`	`86010`
								`0`	`12816`
									`0`

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Last modified September 15 20:25 EDT 2024. Contains 375955 sequences. (Running on oeis4.)