A174774 - OEIS

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A174774 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`3`
`4`		`30`
`5`		`130`
`6`		`780`
`7`		`3696`
`8`		`19768`
`9`		`97560`
`10`		`510660`
`11`		`2603260`
`12`		`13754136`
`13`		`72333768`
`14`		`390339040`
`15`		`2116922640`
`16`		`11722194240`
`17`		`65521880896`
`18`		`372897624528`
`19`		`2146502657520`
`20`		`12558129505120`
`21`		`74371827119520`
`22`		`447090649997376`

[0,1,3,30,130,780,3696,19768,97560,510660,2603260, 13754136,72333768,390339040,2116922640, 11722194240,65521880896,372897624528, 2146502657520,12558129505120,74371827119520, 447090649997376]

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)