A111106 - OEIS

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A111106 as a triangular array

1

0 1

0 1 1

0 3 2 1

0 15 7 3 1

0 105 36 12 4 1

0 945 249 64 18 5 1

0 10395 2190 441 100 25 6 1

0 135135 23535 3807 691 145 33 7 1

0 2027025 299880 40032 5880 1010 200 42 8 1

A111106 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`3`	`15`	`105`	`945`	`10395`	`135135`	`2027025`
`1`	`2`	`7`	`36`	`249`	`2190`	`23535`	`299880`
`1`	`3`	`12`	`64`	`441`	`3807`	`40032`
`1`	`4`	`18`	`100`	`691`	`5880`
`1`	`5`	`25`	`145`	`1010`
`1`	`6`	`33`	`200`
`1`	`7`	`42`
`1`	`8`
`1`

A111106 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`3`	`15`	`105`	`945`	`10395`	`135135`	`2027025`
		`1`	`2`	`7`	`36`	`249`	`2190`	`23535`	`299880`
			`1`	`3`	`12`	`64`	`441`	`3807`	`40032`
				`1`	`4`	`18`	`100`	`691`	`5880`
					`1`	`5`	`25`	`145`	`1010`
						`1`	`6`	`33`	`200`
							`1`	`7`	`42`
								`1`	`8`
									`1`

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)