A207015 - OEIS

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A207015 as a triangular array

3

9 9

23 81 23

61 529 529 61

161 3721 7891 3721 161

425 25921 130165 130165 25921 425

1121 180625 2113177 5174065 2113177 180625 1121

2957 1256641 34303001 201211481 201211481 34303001 1256641 2957

7801 8743849

A207015 as a square array

`3`	`9`	`23`	`61`	`161`	`425`	`1121`	`2957`	`7801`
`9`	`81`	`529`	`3721`	`25921`	`180625`	`1256641`	`8743849`
`23`	`529`	`7891`	`130165`	`2113177`	`34303001`
`61`	`3721`	`130165`	`5174065`	`201211481`
`161`	`25921`	`2113177`	`201211481`
`425`	`180625`	`34303001`
`1121`	`1256641`
`2957`

A207015 as an upper right triangle

`3`	`9`	`23`	`61`	`161`	`425`	`1121`	`2957`	`7801`
	`9`	`81`	`529`	`3721`	`25921`	`180625`	`1256641`	`8743849`
		`23`	`529`	`7891`	`130165`	`2113177`	`34303001`
			`61`	`3721`	`130165`	`5174065`	`201211481`
				`161`	`25921`	`2113177`	`201211481`
					`425`	`180625`	`34303001`
						`1121`	`1256641`
							`2957`

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Last modified April 24 07:35 EDT 2024. Contains 371922 sequences. (Running on oeis4.)