A071021 - OEIS

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A071021 as a triangular array

1

6 6

30 36 30

42 180 180 42

30 252 900 252 30

66 180 1260 1260 180 66

2730 396 900 1764 900 396 2730

6 16380 396 1260 1260 396 16380 6

510 36 81900 2772 900 2772 81900 36 510

798 3060 180 114660 396 396 114660

A071021 as a square array

`1`	`6`	`30`	`42`	`30`	`66`	`2730`	`6`	`510`	`798`
`6`	`36`	`180`	`252`	`180`	`396`	`16380`	`36`	`3060`
`30`	`180`	`900`	`1260`	`900`	`396`	`81900`	`180`
`42`	`252`	`1260`	`1764`	`1260`	`2772`	`114660`
`30`	`180`	`900`	`1260`	`900`	`396`
`66`	`396`	`396`	`2772`	`396`
`2730`	`16380`	`81900`	`114660`
`6`	`36`
`510`

A071021 as an upper right triangle

`1`	`6`	`30`	`42`	`30`	`66`	`2730`	`6`	`510`	`798`
	`6`	`36`	`180`	`252`	`180`	`396`	`16380`	`36`	`3060`
		`30`	`180`	`900`	`1260`	`900`	`396`	`81900`	`180`
			`42`	`252`	`1260`	`1764`	`1260`	`2772`	`114660`
				`30`	`180`	`900`	`1260`	`900`	`396`
					`66`	`396`	`396`	`2772`	`396`
						`2730`	`16380`	`81900`	`114660`
							`6`	`36`
								`510`

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Last modified March 24 20:36 EDT 2023. Contains 361510 sequences. (Running on oeis4.)