A110857 - OEIS

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A110857 as a triangular array

1

0 0

0 1 0

0 1 1 0

0 2 2 2 0

0 5 4 4 5 0

0 14 10 9 10 14 0

0 42 28 23 23 28 42 0

0 132 84 65 60 65 84 132 0

0 429 264 196 171 171 196 264 429 0

0 1430 858 618 518 490 518 618 858 1430 0

A110857 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`1`	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`
`0`	`1`	`2`	`4`	`10`	`28`	`84`	`264`	`858`
`0`	`2`	`4`	`9`	`23`	`65`	`196`	`618`
`0`	`5`	`10`	`23`	`60`	`171`	`518`
`0`	`14`	`28`	`65`	`171`	`490`
`0`	`42`	`84`	`196`	`518`
`0`	`132`	`264`	`618`
`0`	`429`	`858`
`0`	`1430`
`0`

A110857 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`1`	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`
		`0`	`1`	`2`	`4`	`10`	`28`	`84`	`264`	`858`
			`0`	`2`	`4`	`9`	`23`	`65`	`196`	`618`
				`0`	`5`	`10`	`23`	`60`	`171`	`518`
					`0`	`14`	`28`	`65`	`171`	`490`
						`0`	`42`	`84`	`196`	`518`
							`0`	`132`	`264`	`618`
								`0`	`429`	`858`
									`0`	`1430`
										`0`

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)