A104548 - OEIS

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A104548 as a triangular array

0

1 0

1 1 0

1 3 3 0

1 6 15 15 0

1 10 45 105 105 0

1 15 105 420 945 945 0

1 21 210 1260 4725 10395 10395 0

1 28 378 3150 17325 62370 135135 135135 0

1 36 630 6930 51975 270270 945945 2027025 2027025 0

A104548 as a square array

`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`
`0`	`3`	`15`	`45`	`105`	`210`	`378`	`630`
`0`	`15`	`105`	`420`	`1260`	`3150`	`6930`
`0`	`105`	`945`	`4725`	`17325`	`51975`
`0`	`945`	`10395`	`62370`	`270270`
`0`	`10395`	`135135`	`945945`
`0`	`135135`	`2027025`
`0`	`2027025`
`0`

A104548 as an upper right triangle

`0`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`
		`0`	`3`	`15`	`45`	`105`	`210`	`378`	`630`
			`0`	`15`	`105`	`420`	`1260`	`3150`	`6930`
				`0`	`105`	`945`	`4725`	`17325`	`51975`
					`0`	`945`	`10395`	`62370`	`270270`
						`0`	`10395`	`135135`	`945945`
							`0`	`135135`	`2027025`
								`0`	`2027025`
									`0`

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)