A205440 - OEIS

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A205440 as a triangular array

15

77 77

443 833 443

2705 10275 10275 2705

16955 140423 302148 140423 16955

108173 2052727 10308161 10308161 2052727 108173

698747 31378965 375775257 869874577 375775257 31378965 698747

4558985 493169259

A205440 as a square array

`15`	`77`	`443`	`2705`	`16955`	`108173`	`698747`	`4558985`
`77`	`833`	`10275`	`140423`	`2052727`	`31378965`	`493169259`
`443`	`10275`	`302148`	`10308161`	`375775257`
`2705`	`140423`	`10308161`	`869874577`
`16955`	`2052727`	`375775257`
`108173`	`31378965`
`698747`

A205440 as an upper right triangle

`15`	`77`	`443`	`2705`	`16955`	`108173`	`698747`	`4558985`
	`77`	`833`	`10275`	`140423`	`2052727`	`31378965`	`493169259`
		`443`	`10275`	`302148`	`10308161`	`375775257`
			`2705`	`140423`	`10308161`	`869874577`
				`16955`	`2052727`	`375775257`
					`108173`	`31378965`
						`698747`

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)