A055349 - OEIS

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A055349 as a triangular array

1

2 0

6 3 0

24 36 8 0

120 360 220 30 0

720 3600 4200 1500 144 0

5040 37800 71400 47250 11508 840 0

40320 423360 1176000 1234800 545664 98784 5760 0

362880 5080320 19474560 29635200 20469456 6618528 940896 45360 0

A055349 as a square array

`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`
`0`	`3`	`36`	`360`	`3600`	`37800`	`423360`	`5080320`
`0`	`8`	`220`	`4200`	`71400`	`1176000`	`19474560`
`0`	`30`	`1500`	`47250`	`1234800`	`29635200`
`0`	`144`	`11508`	`545664`	`20469456`
`0`	`840`	`98784`	`6618528`
`0`	`5760`	`940896`
`0`	`45360`
`0`

A055349 as an upper right triangle

`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`
	`0`	`3`	`36`	`360`	`3600`	`37800`	`423360`	`5080320`
		`0`	`8`	`220`	`4200`	`71400`	`1176000`	`19474560`
			`0`	`30`	`1500`	`47250`	`1234800`	`29635200`
				`0`	`144`	`11508`	`545664`	`20469456`
					`0`	`840`	`98784`	`6618528`
						`0`	`5760`	`940896`
							`0`	`45360`
								`0`

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Last modified April 24 17:29 EDT 2024. Contains 371962 sequences. (Running on oeis4.)