A290448 - OEIS

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A290448 as a triangular array

0

0 0

0 1 0

0 4 4 0

0 11 30 11 0

0 26 146 146 26 0

0 57 588 1198 588 57 0

0 120 2136 7792 7792 2136 120 0

0 247 7290 44089 78060 44089 7290 247 0

0 502 23902 227554 655114 655114 227554 23902 502 0

A290448 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`
`0`	`4`	`30`	`146`	`588`	`2136`	`7290`	`23902`
`0`	`11`	`146`	`1198`	`7792`	`44089`	`227554`
`0`	`26`	`588`	`7792`	`78060`	`655114`
`0`	`57`	`2136`	`44089`	`655114`
`0`	`120`	`7290`	`227554`
`0`	`247`	`23902`
`0`	`502`
`0`

A290448 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`
		`0`	`4`	`30`	`146`	`588`	`2136`	`7290`	`23902`
			`0`	`11`	`146`	`1198`	`7792`	`44089`	`227554`
				`0`	`26`	`588`	`7792`	`78060`	`655114`
					`0`	`57`	`2136`	`44089`	`655114`
						`0`	`120`	`7290`	`227554`
							`0`	`247`	`23902`
								`0`	`502`
									`0`

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Last modified May 20 09:36 EDT 2024. Contains 372710 sequences. (Running on oeis4.)