A342984 - OEIS

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A342984 as a triangular array

1

1 1

0 2 0

0 3 3 0

0 4 20 4 0

0 5 75 75 5 0

0 6 210 604 210 6 0

0 7 490 3150 3150 490 7 0

0 8 1008 12480 27556 12480 1008 8 0

0 9 1890 40788 170793 170793 40788 1890 9 0

0 10 3300 115500 829920 1565844 829920 115500 3300 10 0

A342984 as a square array

`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`0`	`3`	`20`	`75`	`210`	`490`	`1008`	`1890`	`3300`
`0`	`4`	`75`	`604`	`3150`	`12480`	`40788`	`115500`
`0`	`5`	`210`	`3150`	`27556`	`170793`	`829920`
`0`	`6`	`490`	`12480`	`170793`	`1565844`
`0`	`7`	`1008`	`40788`	`829920`
`0`	`8`	`1890`	`115500`
`0`	`9`	`3300`
`0`	`10`
`0`

A342984 as an upper right triangle

`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
		`0`	`3`	`20`	`75`	`210`	`490`	`1008`	`1890`	`3300`
			`0`	`4`	`75`	`604`	`3150`	`12480`	`40788`	`115500`
				`0`	`5`	`210`	`3150`	`27556`	`170793`	`829920`
					`0`	`6`	`490`	`12480`	`170793`	`1565844`
						`0`	`7`	`1008`	`40788`	`829920`
							`0`	`8`	`1890`	`115500`
								`0`	`9`	`3300`
									`0`	`10`
										`0`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)