A168577 - OEIS

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A168577 as a triangular array

3

6 4

10 10 5

15 20 15 6

21 35 35 21 7

28 56 70 56 28 8

36 84 126 126 84 36 9

45 120 210 252 210 120 45 10

55 165 330 462 462 330 165 55 11

66 220 495 792 924 792 495 220 66 12

78 286 715 1287 1716 1716 1287

A168577 as a square array

`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`	`78`
`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`	`220`	`286`
`5`	`15`	`35`	`70`	`126`	`210`	`330`	`495`	`715`
`6`	`21`	`56`	`126`	`252`	`462`	`792`	`1287`
`7`	`28`	`84`	`210`	`462`	`924`	`1716`
`8`	`36`	`120`	`330`	`792`	`1716`
`9`	`45`	`165`	`495`	`1287`
`10`	`55`	`220`
`11`	`66`
`12`

A168577 as an upper right triangle

`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`	`78`
	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`	`220`	`286`
		`5`	`15`	`35`	`70`	`126`	`210`	`330`	`495`	`715`
			`6`	`21`	`56`	`126`	`252`	`462`	`792`	`1287`
				`7`	`28`	`84`	`210`	`462`	`924`	`1716`
					`8`	`36`	`120`	`330`	`792`	`1716`
						`9`	`45`	`165`	`495`	`1287`
							`10`	`55`	`220`
								`11`	`66`
									`12`

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Last modified September 7 08:00 EDT 2024. Contains 375729 sequences. (Running on oeis4.)