A144645 - OEIS

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A144645 as a triangular array

1

1 0

1 1 0

1 3 1 0

1 6 7 1 0

1 10 25 15 0 0

1 15 65 90 25 0 0

1 21 140 350 280 35 0 0

1 28 266 1050 1645 770 35 0 0

1 36 462 2646 6825 6930 1855 0 0 0

1 45 750 5880 22575 39795 26425 3675 0 0 0

A144645 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`0`	`1`	`7`	`25`	`65`	`140`	`266`	`462`	`750`
`0`	`1`	`15`	`90`	`350`	`1050`	`2646`	`5880`
`0`	`0`	`25`	`280`	`1645`	`6825`	`22575`
`0`	`0`	`35`	`770`	`6930`	`39795`
`0`	`0`	`35`	`1855`	`26425`
`0`	`0`	`0`	`3675`
`0`	`0`	`0`
`0`	`0`
`0`

A144645 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
		`0`	`1`	`7`	`25`	`65`	`140`	`266`	`462`	`750`
			`0`	`1`	`15`	`90`	`350`	`1050`	`2646`	`5880`
				`0`	`0`	`25`	`280`	`1645`	`6825`	`22575`
					`0`	`0`	`35`	`770`	`6930`	`39795`
						`0`	`0`	`35`	`1855`	`26425`
							`0`	`0`	`0`	`3675`
								`0`	`0`	`0`
									`0`	`0`
										`0`

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)