A210551 - OEIS

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A210551 as a triangular array

1

3 1

5 6 1

7 15 10 1

9 28 35 15 1

11 45 84 70 21 1

13 66 165 210 126 28 1

15 91 286 495 462 210 36 1

17 120 455 1001 1287 924 330 45 1

19 153 680 1820 3003 3003 1716 495 55 1

21 190 969 3060 6188

A210551 as a square array

`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
`1`	`6`	`15`	`28`	`45`	`66`	`91`	`120`	`153`	`190`
`1`	`10`	`35`	`84`	`165`	`286`	`455`	`680`	`969`
`1`	`15`	`70`	`210`	`495`	`1001`	`1820`	`3060`
`1`	`21`	`126`	`462`	`1287`	`3003`	`6188`
`1`	`28`	`210`	`924`	`3003`
`1`	`36`	`330`	`1716`
`1`	`45`	`495`
`1`	`55`
`1`

A210551 as an upper right triangle

`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`	`17`	`19`	`21`
	`1`	`6`	`15`	`28`	`45`	`66`	`91`	`120`	`153`	`190`
		`1`	`10`	`35`	`84`	`165`	`286`	`455`	`680`	`969`
			`1`	`15`	`70`	`210`	`495`	`1001`	`1820`	`3060`
				`1`	`21`	`126`	`462`	`1287`	`3003`	`6188`
					`1`	`28`	`210`	`924`	`3003`
						`1`	`36`	`330`	`1716`
							`1`	`45`	`495`
								`1`	`55`
									`1`

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)