A026893 - OEIS

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A026893 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`15`
`5`		`144`
`6`		`1137`
`7`		`8070`
`8`		`53678`
`9`		`342224`
`10`		`2119359`
`11`		`12856752`
`12`		`76826324`
`13`		`453947206`
`14`		`2659486160`
`15`		`15479103062`
`16`		`89636939038`
`17`		`517014933254`
`18`		`2972784038825`
`19`		`17051188983758`
`20`		`97611767361074`
`21`		`557935896092592`
`22`		`3185250335024206`

[1,15,144,1137,8070,53678,342224,2119359,12856752, 76826324,453947206,2659486160,15479103062, 89636939038,517014933254,2972784038825, 17051188983758,97611767361074,557935896092592, 3185250335024206]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)