A222747 - OEIS

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A222747 as a triangular array

1

0 0

0 6 0

6 32 20 0

20 657 2438 685 0

20 7546 126947 125094 5370 0

70 124363 6363724 27397461 6821264 123410 0

685 1710608 390671426 5989744766 6178897165 413021606 1341616 0

2808 26389570 20825891902

A222747 as a square array

`1`	`0`	`0`	`6`	`20`	`20`	`70`	`685`	`2808`
`0`	`6`	`32`	`657`	`7546`	`124363`	`1710608`	`26389570`
`0`	`20`	`2438`	`126947`	`6363724`	`390671426`	`20825891902`
`0`	`685`	`125094`	`27397461`	`5989744766`
`0`	`5370`	`6821264`	`6178897165`
`0`	`123410`	`413021606`
`0`	`1341616`
`0`

A222747 as an upper right triangle

`1`	`0`	`0`	`6`	`20`	`20`	`70`	`685`	`2808`
	`0`	`6`	`32`	`657`	`7546`	`124363`	`1710608`	`26389570`
		`0`	`20`	`2438`	`126947`	`6363724`	`390671426`	`20825891902`
			`0`	`685`	`125094`	`27397461`	`5989744766`
				`0`	`5370`	`6821264`	`6178897165`
					`0`	`123410`	`413021606`
						`0`	`1341616`
							`0`

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)