A121636 - OEIS

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A121636 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`5`
`4`		`23`
`5`		`122`
`6`		`754`
`7`		`5364`
`8`		`43308`
`9`		`391824`
`10`		`3929616`
`11`		`43287840`
`12`		`519711840`
`13`		`6755460480`
`14`		`94527008640`
`15`		`1416783432960`
`16`		`22646604153600`
`17`		`384576130713600`
`18`		`6914404440115200`
`19`		`131217341055897600`
`20`		`2621176954176614400`

[0,1,5,23,122,754,5364,43308,391824,3929616, 43287840,519711840,6755460480,94527008640, 1416783432960,22646604153600,384576130713600, 6914404440115200,131217341055897600, 2621176954176614400]

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Last modified August 24 22:22 EDT 2024. Contains 375417 sequences. (Running on oeis4.)