A217205 - OEIS

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A217205 as a triangular array

1

1 1

1 2 1

4 7 5 2

11 28 28 16 5

41 131 153 118 71 16

162 690 872 892 759 272 61

715 4033 5191 7060 7262 3468 1665 272

3425 25864 32398 58608 66510 41088 29778 7936 1385

17722 180265 211937 510812 601080 479772 443231 156176 60991 7936

A217205 as a square array

`1`	`1`	`1`	`4`	`11`	`41`	`162`	`715`	`3425`	`17722`
`1`	`2`	`7`	`28`	`131`	`690`	`4033`	`25864`	`180265`
`1`	`5`	`28`	`153`	`872`	`5191`	`32398`	`211937`
`2`	`16`	`118`	`892`	`7060`	`58608`	`510812`
`5`	`71`	`759`	`7262`	`66510`	`601080`
`16`	`272`	`3468`	`41088`	`479772`
`61`	`1665`	`29778`	`443231`
`272`	`7936`	`156176`
`1385`	`60991`
`7936`

A217205 as an upper right triangle

`1`	`1`	`1`	`4`	`11`	`41`	`162`	`715`	`3425`	`17722`
	`1`	`2`	`7`	`28`	`131`	`690`	`4033`	`25864`	`180265`
		`1`	`5`	`28`	`153`	`872`	`5191`	`32398`	`211937`
			`2`	`16`	`118`	`892`	`7060`	`58608`	`510812`
				`5`	`71`	`759`	`7262`	`66510`	`601080`
					`16`	`272`	`3468`	`41088`	`479772`
						`61`	`1665`	`29778`	`443231`
							`272`	`7936`	`156176`
								`1385`	`60991`
									`7936`

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