A261761 - OEIS

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A261761 as a triangular array

2

4 4

0 20 0

11 19 19 11

0 100 19 100 0

31 165 99 99 165 31

0 353 138 2673 138 353 0

0 885 197 4797 4797 197 885 0

0 3548 380 53564 7014 53564 380 3548 0

0 8661 2580 174125 82711 82711 174125 2580 8661 0

0

A261761 as a square array

`2`	`4`	`0`	`11`	`0`	`31`	`0`	`0`	`0`	`0`	`0`
`4`	`20`	`19`	`100`	`165`	`353`	`885`	`3548`	`8661`
`0`	`19`	`19`	`99`	`138`	`197`	`380`	`2580`
`11`	`100`	`99`	`2673`	`4797`	`53564`	`174125`
`0`	`165`	`138`	`4797`	`7014`	`82711`
`31`	`353`	`197`	`53564`	`82711`
`0`	`885`	`380`	`174125`
`0`	`3548`	`2580`
`0`	`8661`
`0`

A261761 as an upper right triangle

`2`	`4`	`0`	`11`	`0`	`31`	`0`	`0`	`0`	`0`	`0`
	`4`	`20`	`19`	`100`	`165`	`353`	`885`	`3548`	`8661`
		`0`	`19`	`19`	`99`	`138`	`197`	`380`	`2580`
			`11`	`100`	`99`	`2673`	`4797`	`53564`	`174125`
				`0`	`165`	`138`	`4797`	`7014`	`82711`
					`31`	`353`	`197`	`53564`	`82711`
						`0`	`885`	`380`	`174125`
							`0`	`3548`	`2580`
								`0`	`8661`
									`0`

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Last modified April 24 13:13 EDT 2024. Contains 371947 sequences. (Running on oeis4.)