A278414 - OEIS

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A278414 as a triangular array

0

0 0

1 20 1

15 264 264 15

90 2550 9354 2550 90

357 22267 201539 201539 22267 357

1107 166762 3576730 11454780 3576730 166762 1107

2907 1046418 58069125 514122657 514122657 58069125 1046418 2907

6765 5586207

A278414 as a square array

`0`	`0`	`1`	`15`	`90`	`357`	`1107`	`2907`	`6765`
`0`	`20`	`264`	`2550`	`22267`	`166762`	`1046418`	`5586207`
`1`	`264`	`9354`	`201539`	`3576730`	`58069125`
`15`	`2550`	`201539`	`11454780`	`514122657`
`90`	`22267`	`3576730`	`514122657`
`357`	`166762`	`58069125`
`1107`	`1046418`
`2907`

A278414 as an upper right triangle

`0`	`0`	`1`	`15`	`90`	`357`	`1107`	`2907`	`6765`
	`0`	`20`	`264`	`2550`	`22267`	`166762`	`1046418`	`5586207`
		`1`	`264`	`9354`	`201539`	`3576730`	`58069125`
			`15`	`2550`	`201539`	`11454780`	`514122657`
				`90`	`22267`	`3576730`	`514122657`
					`357`	`166762`	`58069125`
						`1107`	`1046418`
							`2907`

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Last modified May 5 14:41 EDT 2024. Contains 372275 sequences. (Running on oeis4.)