A238801 - OEIS

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A238801 as a triangular array

1

2 0

3 0 1

4 0 4 0

5 0 10 0 1

6 0 20 0 6 0

7 0 35 0 21 0 1

8 0 56 0 56 0 8 0

9 0 84 0 126 0 36 0 1

10 0 120 0 252 0 120 0 10 0

11 0 165 0 462 0 330 0 55 0 1

12 0 220 0 792 0 792 0 220 0 12 0

A238801 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`	`220`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`6`	`21`	`56`	`126`	`252`	`462`	`792`
`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`8`	`36`	`120`	`330`	`792`
`0`	`0`	`0`	`0`	`0`
`1`	`10`	`55`	`220`
`0`	`0`	`0`
`1`	`12`
`0`

A238801 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`	`12`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`	`220`
			`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
				`1`	`6`	`21`	`56`	`126`	`252`	`462`	`792`
					`0`	`0`	`0`	`0`	`0`	`0`	`0`
						`1`	`8`	`36`	`120`	`330`	`792`
							`0`	`0`	`0`	`0`	`0`
								`1`	`10`	`55`	`220`
									`0`	`0`	`0`
										`1`	`12`
											`0`

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)