A057281 - OEIS

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A057281 as a triangular array

1

5 16

20 160 300

75 1075 4850 6840

275 6100 48175 159650 186120

1000 31550 379700 2168650 5846700 5916240

3625 153875 2605175 22426825 103057800 238437900 215717040

13125 720375 16273875 195469125

A057281 as a square array

`1`	`5`	`20`	`75`	`275`	`1000`	`3625`	`13125`
`16`	`160`	`1075`	`6100`	`31550`	`153875`	`720375`
`300`	`4850`	`48175`	`379700`	`2605175`	`16273875`
`6840`	`159650`	`2168650`	`22426825`	`195469125`
`186120`	`5846700`	`103057800`
`5916240`	`238437900`
`215717040`

A057281 as an upper right triangle

`1`	`5`	`20`	`75`	`275`	`1000`	`3625`	`13125`
	`16`	`160`	`1075`	`6100`	`31550`	`153875`	`720375`
		`300`	`4850`	`48175`	`379700`	`2605175`	`16273875`
			`6840`	`159650`	`2168650`	`22426825`	`195469125`
				`186120`	`5846700`	`103057800`
					`5916240`	`238437900`
						`215717040`

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Last modified August 18 22:11 EDT 2024. Contains 375284 sequences. (Running on oeis4.)