A185209 - OEIS

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A185209 as a triangular array

1

1 0

2 1 0

5 8 0 0

14 49 8 0 0

42 268 151 0 0 0

132 1375 1760 180 0 0 0

429 6768 16184 5712 0 0 0 0

1430 32354 128578 102917 8064 0 0 0 0

4862 151336 923799 1379384 369944 0 0 0 0 0

16796 696027 6164460 15283308 9233512 604800 0

A185209 as a square array

`1`	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
`0`	`1`	`8`	`49`	`268`	`1375`	`6768`	`32354`	`151336`	`696027`
`0`	`0`	`8`	`151`	`1760`	`16184`	`128578`	`923799`	`6164460`
`0`	`0`	`0`	`180`	`5712`	`102917`	`1379384`	`15283308`
`0`	`0`	`0`	`0`	`8064`	`369944`	`9233512`
`0`	`0`	`0`	`0`	`0`	`604800`
`0`	`0`	`0`	`0`	`0`
`0`	`0`	`0`
`0`	`0`
`0`

A185209 as an upper right triangle

`1`	`1`	`2`	`5`	`14`	`42`	`132`	`429`	`1430`	`4862`	`16796`
	`0`	`1`	`8`	`49`	`268`	`1375`	`6768`	`32354`	`151336`	`696027`
		`0`	`0`	`8`	`151`	`1760`	`16184`	`128578`	`923799`	`6164460`
			`0`	`0`	`0`	`180`	`5712`	`102917`	`1379384`	`15283308`
				`0`	`0`	`0`	`0`	`8064`	`369944`	`9233512`
					`0`	`0`	`0`	`0`	`0`	`604800`
						`0`	`0`	`0`	`0`	`0`
							`0`	`0`	`0`
								`0`	`0`
									`0`

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)