A268159 - OEIS

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A268159 as a triangular array

0

0 0

0 1 0

0 1 0 0

0 3 8 6 0

0 7 14 36 0 0

0 17 52 906 456 120 0

0 42 1516 31818 23592 6360 0 0

0 104 7582 770406 10213152 3304920 93600 5040 0

0 259 46338 28194516 871718016 4067565720 334738800 1784160 0 0

0 648

A268159 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`1`	`1`	`3`	`7`	`17`	`42`	`104`	`259`	`648`
`0`	`0`	`8`	`14`	`52`	`1516`	`7582`	`46338`
`0`	`6`	`36`	`906`	`31818`	`770406`	`28194516`
`0`	`0`	`456`	`23592`	`10213152`	`871718016`
`0`	`120`	`6360`	`3304920`	`4067565720`
`0`	`0`	`93600`	`334738800`
`0`	`5040`	`1784160`
`0`	`0`
`0`

A268159 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`1`	`1`	`3`	`7`	`17`	`42`	`104`	`259`	`648`
		`0`	`0`	`8`	`14`	`52`	`1516`	`7582`	`46338`
			`0`	`6`	`36`	`906`	`31818`	`770406`	`28194516`
				`0`	`0`	`456`	`23592`	`10213152`	`871718016`
					`0`	`120`	`6360`	`3304920`	`4067565720`
						`0`	`0`	`93600`	`334738800`
							`0`	`5040`	`1784160`
								`0`	`0`
									`0`

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)