A174526 - OEIS

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A174526 as a triangular array

1

1 1

1 4 1

1 11 11 1

1 26 64 26 1

1 57 300 300 57 1

1 120 1287 2770 1287 120 1

1 247 5313 23587 23587 5313 247 1

1 502 21562 194254 401504 194254 21562 502 1

1 1013 86834 1575986 6619368 6619368 1575986 86834

A174526 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`
`1`	`11`	`64`	`300`	`1287`	`5313`	`21562`	`86834`
`1`	`26`	`300`	`2770`	`23587`	`194254`	`1575986`
`1`	`57`	`1287`	`23587`	`401504`	`6619368`
`1`	`120`	`5313`	`194254`	`6619368`
`1`	`247`	`21562`	`1575986`
`1`	`502`	`86834`
`1`

A174526 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`
		`1`	`11`	`64`	`300`	`1287`	`5313`	`21562`	`86834`
			`1`	`26`	`300`	`2770`	`23587`	`194254`	`1575986`
				`1`	`57`	`1287`	`23587`	`401504`	`6619368`
					`1`	`120`	`5313`	`194254`	`6619368`
						`1`	`247`	`21562`	`1575986`
							`1`	`502`	`86834`
								`1`

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Last modified May 21 09:35 EDT 2024. Contains 372733 sequences. (Running on oeis4.)