A272774 - OEIS

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A272774 as a triangular array

1

0 1

0 0 1

0 1 0 1

0 0 4 0 1

0 4 0 11 0 1

0 0 38 0 26 0 1

0 38 0 230 0 57 0 1

0 0 688 0 1148 0 120 0 1

0 688 0 7572 0 5192 0 247 0 1

0 0 20648 0 66200 0 22250 0 502 0 1

A272774 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`0`	`1`	`0`	`4`	`0`	`38`	`0`	`688`	`0`
`1`	`0`	`4`	`0`	`38`	`0`	`688`	`0`	`20648`
`1`	`0`	`11`	`0`	`230`	`0`	`7572`	`0`
`1`	`0`	`26`	`0`	`1148`	`0`	`66200`
`1`	`0`	`57`	`0`	`5192`	`0`
`1`	`0`	`120`	`0`	`22250`
`1`	`0`	`247`	`0`
`1`	`0`	`502`
`1`	`0`
`1`

A272774 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`0`	`1`	`0`	`4`	`0`	`38`	`0`	`688`	`0`
		`1`	`0`	`4`	`0`	`38`	`0`	`688`	`0`	`20648`
			`1`	`0`	`11`	`0`	`230`	`0`	`7572`	`0`
				`1`	`0`	`26`	`0`	`1148`	`0`	`66200`
					`1`	`0`	`57`	`0`	`5192`	`0`
						`1`	`0`	`120`	`0`	`22250`
							`1`	`0`	`247`	`0`
								`1`	`0`	`502`
									`1`	`0`
										`1`

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)