A195009 - OEIS

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A195009 as a triangular array

1

0 1

0 2 8

0 6 48 162

0 6 96 486 1536

0 30 960 7290 30720 93750

0 20 1280 14580 81920 312500 933120

0 140 17920 306180 2293760 10937500 39191040 115296020

0 70 17920 459270 4587520 27343750 117573120 403536070 1174405120

A195009 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`6`	`6`	`30`	`20`	`140`	`70`
`8`	`48`	`96`	`960`	`1280`	`17920`	`17920`
`162`	`486`	`7290`	`14580`	`306180`	`459270`
`1536`	`30720`	`81920`	`2293760`	`4587520`
`93750`	`312500`	`10937500`	`27343750`
`933120`	`39191040`	`117573120`
`115296020`	`403536070`
`1174405120`

A195009 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`6`	`6`	`30`	`20`	`140`	`70`
		`8`	`48`	`96`	`960`	`1280`	`17920`	`17920`
			`162`	`486`	`7290`	`14580`	`306180`	`459270`
				`1536`	`30720`	`81920`	`2293760`	`4587520`
					`93750`	`312500`	`10937500`	`27343750`
						`933120`	`39191040`	`117573120`
							`115296020`	`403536070`
								`1174405120`

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Last modified June 11 17:16 EDT 2024. Contains 373315 sequences. (Running on oeis4.)