A253011 - OEIS

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A253011 as a triangular array

0

0 0

0 0 0

1 0 0 1

4 1 0 1 4

10 19 1 1 19 10

20 85 54 1 54 85 20

35 231 632 124 124 632 231 35

56 489 2902 3423 250 3423 2902 489 56

84 891 8416 33533 14795 14795 33533 8416 891 84

120 1469 18770 158877 309990

A253011 as a square array

`0`	`0`	`0`	`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`
`0`	`0`	`0`	`1`	`19`	`85`	`231`	`489`	`891`	`1469`
`0`	`0`	`0`	`1`	`54`	`632`	`2902`	`8416`	`18770`
`1`	`1`	`1`	`1`	`124`	`3423`	`33533`	`158877`
`4`	`19`	`54`	`124`	`250`	`14795`	`309990`
`10`	`85`	`632`	`3423`	`14795`
`20`	`231`	`2902`	`33533`
`35`	`489`	`8416`
`56`	`891`
`84`

A253011 as an upper right triangle

`0`	`0`	`0`	`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`
	`0`	`0`	`0`	`1`	`19`	`85`	`231`	`489`	`891`	`1469`
		`0`	`0`	`0`	`1`	`54`	`632`	`2902`	`8416`	`18770`
			`1`	`1`	`1`	`1`	`124`	`3423`	`33533`	`158877`
				`4`	`19`	`54`	`124`	`250`	`14795`	`309990`
					`10`	`85`	`632`	`3423`	`14795`
						`20`	`231`	`2902`	`33533`
							`35`	`489`	`8416`
								`56`	`891`
									`84`

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)