A279657 - OEIS

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A279657 as a triangular array

0

1 0

0 3 0

3 27 24 0

6 254 734 232 0

24 2301 19986 20448 2232 0

72 19053 498424 1546164 549608 20880 0

232 149696 11256083 104452983 113887852 14309072 190656 0

720 1124969 239891281 6415919752

A279657 as a square array

`0`	`1`	`0`	`3`	`6`	`24`	`72`	`232`	`720`
`0`	`3`	`27`	`254`	`2301`	`19053`	`149696`	`1124969`
`0`	`24`	`734`	`19986`	`498424`	`11256083`	`239891281`
`0`	`232`	`20448`	`1546164`	`104452983`	`6415919752`
`0`	`2232`	`549608`	`113887852`
`0`	`20880`	`14309072`
`0`	`190656`
`0`

A279657 as an upper right triangle

`0`	`1`	`0`	`3`	`6`	`24`	`72`	`232`	`720`
	`0`	`3`	`27`	`254`	`2301`	`19053`	`149696`	`1124969`
		`0`	`24`	`734`	`19986`	`498424`	`11256083`	`239891281`
			`0`	`232`	`20448`	`1546164`	`104452983`	`6415919752`
				`0`	`2232`	`549608`	`113887852`
					`0`	`20880`	`14309072`
						`0`	`190656`
							`0`

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Last modified May 1 05:44 EDT 2024. Contains 372148 sequences. (Running on oeis4.)