A157395 - OEIS

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A157395 as a triangular array

1

1 5

1 15 20

1 105 80 60

1 425 1200 300 120

1 3075 10400 5400 720 120

1 15855 102200 75600 15120 840 0

1 123515 1149120 907200 241920 20160 0 0

1 757755 12783680 13426560 3719520 362880

A157395 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`5`	`15`	`105`	`425`	`3075`	`15855`	`123515`	`757755`
`20`	`80`	`1200`	`10400`	`102200`	`1149120`	`12783680`
`60`	`300`	`5400`	`75600`	`907200`	`13426560`
`120`	`720`	`15120`	`241920`	`3719520`
`120`	`840`	`20160`	`362880`
`0`	`0`
`0`

A157395 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`5`	`15`	`105`	`425`	`3075`	`15855`	`123515`	`757755`
		`20`	`80`	`1200`	`10400`	`102200`	`1149120`	`12783680`
			`60`	`300`	`5400`	`75600`	`907200`	`13426560`
				`120`	`720`	`15120`	`241920`	`3719520`
					`120`	`840`	`20160`	`362880`
						`0`	`0`
							`0`

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Last modified April 18 14:58 EDT 2024. Contains 371780 sequences. (Running on oeis4.)