A303987 - OEIS

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A303987 as a triangular array

1

1 4

1 36 36

1 144 900 400

1 400 8100 19600 4900

1 900 44100 313600 396900 63504

1 1764 176400 2822400 9922500 7683984 853776

1 3136 571536 17640000 133402500 276623424 144288144 11778624

1 5184 1587600 85377600 1200622500 5194373184 7070119056 2650190400 165636900

A303987 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`4`	`36`	`144`	`400`	`900`	`1764`	`3136`	`5184`
`36`	`900`	`8100`	`44100`	`176400`	`571536`	`1587600`
`400`	`19600`	`313600`	`2822400`	`17640000`	`85377600`
`4900`	`396900`	`9922500`	`133402500`	`1200622500`
`63504`	`7683984`	`276623424`	`5194373184`
`853776`	`144288144`	`7070119056`
`11778624`	`2650190400`
`165636900`

A303987 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`4`	`36`	`144`	`400`	`900`	`1764`	`3136`	`5184`
		`36`	`900`	`8100`	`44100`	`176400`	`571536`	`1587600`
			`400`	`19600`	`313600`	`2822400`	`17640000`	`85377600`
				`4900`	`396900`	`9922500`	`133402500`	`1200622500`
					`63504`	`7683984`	`276623424`	`5194373184`
						`853776`	`144288144`	`7070119056`
							`11778624`	`2650190400`
								`165636900`

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)