A143923 - OEIS

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A143923 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`12`
`4`		`88`
`5`		`860`
`6`		`10392`
`7`		`149044`
`8`		`2478752`
`9`		`46875492`
`10`		`993291880`
`11`		`23311581524`
`12`		`600207989808`
`13`		`16820818373476`
`14`		`509711184710840`
`15`		`16606143020005620`
`16`		`578830045479469120`
`17`		`21493718211307208420`
`18`		`847057099952645864712`

[1,1,2,12,88,860,10392,149044,2478752,46875492, 993291880,23311581524,600207989808,16820818373476, 509711184710840,16606143020005620, 578830045479469120,21493718211307208420, 847057099952645864712]

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Last modified April 19 05:02 EDT 2024. Contains 371782 sequences. (Running on oeis4.)