A078812 - OEIS

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A078812 as a triangular array

1

2 1

3 4 1

4 10 6 1

5 20 21 8 1

6 35 56 36 10 1

7 56 126 120 55 12 1

8 84 252 330 220 78 14 1

9 120 462 792 715 364 105 16 1

10 165 792 1716 2002 1365 560 136 18 1

11 220 1287 3432 5005 4368 2380 816 171 20 1

A078812 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`	`220`
`1`	`6`	`21`	`56`	`126`	`252`	`462`	`792`	`1287`
`1`	`8`	`36`	`120`	`330`	`792`	`1716`	`3432`
`1`	`10`	`55`	`220`	`715`	`2002`	`5005`
`1`	`12`	`78`	`364`	`1365`	`4368`
`1`	`14`	`105`	`560`	`2380`
`1`	`16`	`136`	`816`
`1`	`18`	`171`
`1`	`20`
`1`

A078812 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`	`220`
		`1`	`6`	`21`	`56`	`126`	`252`	`462`	`792`	`1287`
			`1`	`8`	`36`	`120`	`330`	`792`	`1716`	`3432`
				`1`	`10`	`55`	`220`	`715`	`2002`	`5005`
					`1`	`12`	`78`	`364`	`1365`	`4368`
						`1`	`14`	`105`	`560`	`2380`
							`1`	`16`	`136`	`816`
								`1`	`18`	`171`
									`1`	`20`
										`1`

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)