A144417 - OEIS

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A144417 as a triangular array

1

1 0

1 1 0

1 3 1 0

1 6 7 0 0

1 10 25 10 0 0

1 15 65 75 10 0 0

1 21 140 315 175 0 0 0

1 28 266 980 1225 280 0 0 0

1 36 462 2520 5565 3780 280 0 0 0

1 45 750 5670 19425 26145 9100 0 0 0 0

1 55

A144417 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`0`	`1`	`7`	`25`	`65`	`140`	`266`	`462`	`750`
`0`	`0`	`10`	`75`	`315`	`980`	`2520`	`5670`
`0`	`0`	`10`	`175`	`1225`	`5565`	`19425`
`0`	`0`	`0`	`280`	`3780`	`26145`
`0`	`0`	`0`	`280`	`9100`
`0`	`0`	`0`	`0`
`0`	`0`	`0`
`0`	`0`
`0`

A144417 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
		`0`	`1`	`7`	`25`	`65`	`140`	`266`	`462`	`750`
			`0`	`0`	`10`	`75`	`315`	`980`	`2520`	`5670`
				`0`	`0`	`10`	`175`	`1225`	`5565`	`19425`
					`0`	`0`	`0`	`280`	`3780`	`26145`
						`0`	`0`	`0`	`280`	`9100`
							`0`	`0`	`0`	`0`
								`0`	`0`	`0`
									`0`	`0`
										`0`

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)