A143815 - OEIS

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A143815 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`6`
`5`		`25`
`6`		`91`
`7`		`322`
`8`		`1232`
`9`		`5672`
`10`		`32202`
`11`		`209143`
`12`		`1432454`
`13`		`9942517`
`14`		`69363840`
`15`		`490303335`
`16`		`3565609732`
`17`		`27118060170`
`18`		`218183781871`
`19`		`1861370544934`
`20`		`16729411124821`
`21`		`156706028787827`
`22`		`1514442896327792`
`23`		`14999698898942772`
`24`		`151838974745743228`
`25`		`1571513300578303070`

[1,0,0,1,6,25,91,322,1232,5672,32202,209143, 1432454,9942517,69363840,490303335,3565609732, 27118060170,218183781871,1861370544934, 16729411124821,156706028787827,1514442896327792, 14999698898942772,151838974745743228, 1571513300578303070]

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Last modified July 15 17:56 EDT 2024. Contains 374333 sequences. (Running on oeis4.)