A253283 - OEIS

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A253283 as a triangular array

1

0 1

0 2 3

0 3 12 10

0 4 30 60 35

0 5 60 210 280 126

0 6 105 560 1260 1260 462

0 7 168 1260 4200 6930 5544 1716

0 8 252 2520 11550 27720 36036 24024 6435

0 9 360 4620 27720 90090 168168 180180 102960 24310

A253283 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`3`	`12`	`30`	`60`	`105`	`168`	`252`	`360`
`10`	`60`	`210`	`560`	`1260`	`2520`	`4620`
`35`	`280`	`1260`	`4200`	`11550`	`27720`
`126`	`1260`	`6930`	`27720`	`90090`
`462`	`5544`	`36036`	`168168`
`1716`	`24024`	`180180`
`6435`	`102960`
`24310`

A253283 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
		`3`	`12`	`30`	`60`	`105`	`168`	`252`	`360`
			`10`	`60`	`210`	`560`	`1260`	`2520`	`4620`
				`35`	`280`	`1260`	`4200`	`11550`	`27720`
					`126`	`1260`	`6930`	`27720`	`90090`
						`462`	`5544`	`36036`	`168168`
							`1716`	`24024`	`180180`
								`6435`	`102960`
									`24310`

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)