A269956 - OEIS

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A269956 as a triangular array

1

3 3

15 20 15

84 126 126 84

495 792 924 792 495

3003 5005 6435 6435 5005 3003

18564 31824 43758 48620 43758 31824 18564

116280 203490 293930 352716 352716 293930 203490 116280

735471 1307504 1961256 2496144 2704156 2496144 1961256 1307504 735471

A269956 as a square array

`1`	`3`	`15`	`84`	`495`	`3003`	`18564`	`116280`	`735471`
`3`	`20`	`126`	`792`	`5005`	`31824`	`203490`	`1307504`
`15`	`126`	`924`	`6435`	`43758`	`293930`	`1961256`
`84`	`792`	`6435`	`48620`	`352716`	`2496144`
`495`	`5005`	`43758`	`352716`	`2704156`
`3003`	`31824`	`293930`	`2496144`
`18564`	`203490`	`1961256`
`116280`	`1307504`
`735471`

A269956 as an upper right triangle

`1`	`3`	`15`	`84`	`495`	`3003`	`18564`	`116280`	`735471`
	`3`	`20`	`126`	`792`	`5005`	`31824`	`203490`	`1307504`
		`15`	`126`	`924`	`6435`	`43758`	`293930`	`1961256`
			`84`	`792`	`6435`	`48620`	`352716`	`2496144`
				`495`	`5005`	`43758`	`352716`	`2704156`
					`3003`	`31824`	`293930`	`2496144`
						`18564`	`203490`	`1961256`
							`116280`	`1307504`
								`735471`

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Last modified April 24 16:49 EDT 2024. Contains 371962 sequences. (Running on oeis4.)