A145458 - OEIS

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A145458 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`1`
`9`		`9`
`10`		`45`
`11`		`165`
`12`		`495`
`13`		`1287`
`14`		`3003`
`15`		`6435`
`16`		`19305`
`17`		`243100`
`18`		`3981978`
`19`		`49959702`
`20`		`498967170`
`21`		`4190469570`
`22`		`30728937690`
`23`		`201931408074`
`24`		`1213163827326`
`25`		`6849350570700`
`26`		`39615797628550`
`27`		`296414654550300`
`28`		`3418235092302030`

[1,0,0,0,0,0,0,0,1,9,45,165,495,1287,3003,6435, 19305,243100,3981978,49959702,498967170, 4190469570,30728937690,201931408074,1213163827326, 6849350570700,39615797628550,296414654550300, 3418235092302030]

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