A162971 - OEIS

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A162971 as a triangular array

1

0 1

0 3 1

0 8 6 1

0 30 35 10 1

0 144 210 85 15 1

0 840 1414 735 175 21 1

0 5760 10752 6664 1960 322 28 1

0 45360 91692 64764 22449 4536 546 36 1

0 403200 869040 679580 268380 63273 9450 870 45 1

0 3991680 9074736 7704180 3382280 902055 157773 18150 1320 55 1

A162971 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`3`	`8`	`30`	`144`	`840`	`5760`	`45360`	`403200`	`3991680`
`1`	`6`	`35`	`210`	`1414`	`10752`	`91692`	`869040`	`9074736`
`1`	`10`	`85`	`735`	`6664`	`64764`	`679580`	`7704180`
`1`	`15`	`175`	`1960`	`22449`	`268380`	`3382280`
`1`	`21`	`322`	`4536`	`63273`	`902055`
`1`	`28`	`546`	`9450`	`157773`
`1`	`36`	`870`	`18150`
`1`	`45`	`1320`
`1`	`55`
`1`

A162971 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`3`	`8`	`30`	`144`	`840`	`5760`	`45360`	`403200`	`3991680`
		`1`	`6`	`35`	`210`	`1414`	`10752`	`91692`	`869040`	`9074736`
			`1`	`10`	`85`	`735`	`6664`	`64764`	`679580`	`7704180`
				`1`	`15`	`175`	`1960`	`22449`	`268380`	`3382280`
					`1`	`21`	`322`	`4536`	`63273`	`902055`
						`1`	`28`	`546`	`9450`	`157773`
							`1`	`36`	`870`	`18150`
								`1`	`45`	`1320`
									`1`	`55`
										`1`

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Last modified August 24 04:58 EDT 2024. Contains 375396 sequences. (Running on oeis4.)