A127631 - OEIS

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A127631 as a triangular array

1

0 1

0 2 1

0 6 4 1

0 21 16 6 1

0 80 66 30 8 1

0 322 280 143 48 10 1

0 1348 1216 672 260 70 12 1

0 5814 5385 3150 1344 425 96 14 1

0 25674 24244 14799 6784 2400 646 126 16 1

A127631 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`6`	`21`	`80`	`322`	`1348`	`5814`	`25674`
`1`	`4`	`16`	`66`	`280`	`1216`	`5385`	`24244`
`1`	`6`	`30`	`143`	`672`	`3150`	`14799`
`1`	`8`	`48`	`260`	`1344`	`6784`
`1`	`10`	`70`	`425`	`2400`
`1`	`12`	`96`	`646`
`1`	`14`	`126`
`1`	`16`
`1`

A127631 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`6`	`21`	`80`	`322`	`1348`	`5814`	`25674`
		`1`	`4`	`16`	`66`	`280`	`1216`	`5385`	`24244`
			`1`	`6`	`30`	`143`	`672`	`3150`	`14799`
				`1`	`8`	`48`	`260`	`1344`	`6784`
					`1`	`10`	`70`	`425`	`2400`
						`1`	`12`	`96`	`646`
							`1`	`14`	`126`
								`1`	`16`
									`1`

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Last modified April 19 03:57 EDT 2024. Contains 371782 sequences. (Running on oeis4.)