A218354 - OEIS

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A218354 as a triangular array

1

3 3

5 11 5

9 41 41 9

17 149 291 149 17

31 547 2069 2069 547 31

57 2007 14811 28661 14811 2007 57

105 7361 105913 401253 401253 105913 7361 105

193 27001 757305 5609569 10982565 5609569 757305 27001 193

355

A218354 as a square array

`1`	`3`	`5`	`9`	`17`	`31`	`57`	`105`	`193`	`355`
`3`	`11`	`41`	`149`	`547`	`2007`	`7361`	`27001`
`5`	`41`	`291`	`2069`	`14811`	`105913`	`757305`
`9`	`149`	`2069`	`28661`	`401253`	`5609569`
`17`	`547`	`14811`	`401253`	`10982565`
`31`	`2007`	`105913`	`5609569`
`57`	`7361`	`757305`
`105`	`27001`
`193`

A218354 as an upper right triangle

`1`	`3`	`5`	`9`	`17`	`31`	`57`	`105`	`193`	`355`
	`3`	`11`	`41`	`149`	`547`	`2007`	`7361`	`27001`
		`5`	`41`	`291`	`2069`	`14811`	`105913`	`757305`
			`9`	`149`	`2069`	`28661`	`401253`	`5609569`
				`17`	`547`	`14811`	`401253`	`10982565`
					`31`	`2007`	`105913`	`5609569`
						`57`	`7361`	`757305`
							`105`	`27001`
								`193`

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)