A129817 - OEIS

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A129817 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`6`
`6`		`24`
`7`		`102`
`8`		`528`
`9`		`2952`
`10`		`19008`
`11`		`131112`
`12`		`1009728`
`13`		`8271792`
`14`		`74167488`
`15`		`703077552`
`16`		`7194754368`
`17`		`77437418112`
`18`		`890643066048`
`19`		`10726837356672`
`20`		`136988469649728`
`21`		`1825110309733632`
`22`		`25625477737660608`
`23`		`374159217291201792`
`24`		`5728724202727533888`
`25`		`90961591766739121152`
`26`		`1508303564683904357568`
`27`		`25874345243221479539712`
`28`		`461932949559928514787648`
`29`		`8513674175717969079785472`
`30`		`162818666826944872460200128`

[1,0,1,1,2,6,24,102,528,2952,19008,131112,1009728, 8271792,74167488,703077552,7194754368,77437418112, 890643066048,10726837356672,136988469649728, 1825110309733632,25625477737660608, 374159217291201792,5728724202727533888, 90961591766739121152,1508303564683904357568, 25874345243221479539712,461932949559928514787648, 8513674175717969079785472, 162818666826944872460200128]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)