A179968 - OEIS

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A179968 as a triangular array

1

1 0

1 2 0

1 2 3 0

1 4 6 4 0

1 4 9 8 5 0

1 6 15 20 15 6 0

1 6 21 32 35 18 7 0

1 8 27 56 70 54 28 8 0

1 8 36 80 125 120 84 32 9 0

1 10 45 120 210 252 210 120 45 10 0

A179968 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`2`	`4`	`4`	`6`	`6`	`8`	`8`	`10`
`0`	`3`	`6`	`9`	`15`	`21`	`27`	`36`	`45`
`0`	`4`	`8`	`20`	`32`	`56`	`80`	`120`
`0`	`5`	`15`	`35`	`70`	`125`	`210`
`0`	`6`	`18`	`54`	`120`	`252`
`0`	`7`	`28`	`84`	`210`
`0`	`8`	`32`	`120`
`0`	`9`	`45`
`0`	`10`
`0`

A179968 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`2`	`2`	`4`	`4`	`6`	`6`	`8`	`8`	`10`
		`0`	`3`	`6`	`9`	`15`	`21`	`27`	`36`	`45`
			`0`	`4`	`8`	`20`	`32`	`56`	`80`	`120`
				`0`	`5`	`15`	`35`	`70`	`125`	`210`
					`0`	`6`	`18`	`54`	`120`	`252`
						`0`	`7`	`28`	`84`	`210`
							`0`	`8`	`32`	`120`
								`0`	`9`	`45`
									`0`	`10`
										`0`

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Last modified July 15 19:27 EDT 2024. Contains 374334 sequences. (Running on oeis4.)