A128908 - OEIS

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A128908 as a triangular array

1

0 1

0 2 1

0 3 4 1

0 4 10 6 1

0 5 20 21 8 1

0 6 35 56 36 10 1

0 7 56 126 120 55 12 1

0 8 84 252 330 220 78 14 1

0 9 120 462 792 715 364 105 16 1

0 10 165 792 1716 2002 1365 560 136 18 1

A128908 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
`1`	`6`	`21`	`56`	`126`	`252`	`462`	`792`
`1`	`8`	`36`	`120`	`330`	`792`	`1716`
`1`	`10`	`55`	`220`	`715`	`2002`
`1`	`12`	`78`	`364`	`1365`
`1`	`14`	`105`	`560`
`1`	`16`	`136`
`1`	`18`
`1`

A128908 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
		`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
			`1`	`6`	`21`	`56`	`126`	`252`	`462`	`792`
				`1`	`8`	`36`	`120`	`330`	`792`	`1716`
					`1`	`10`	`55`	`220`	`715`	`2002`
						`1`	`12`	`78`	`364`	`1365`
							`1`	`14`	`105`	`560`
								`1`	`16`	`136`
									`1`	`18`
										`1`

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Last modified April 18 10:46 EDT 2024. Contains 371779 sequences. (Running on oeis4.)