A286630 - OEIS

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A286630 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`18`
`3`		`150`
`4`		`1470`
`5`		`25410`
`6`		`390390`
`7`		`8678670`
`8`		`184294110`
`9`		`5131136010`
`10`		`187621103670`
`11`		`6217375194030`
`12`		`274567310987970`
`13`		`12474260804615610`
`14`		`562558737261811290`
`15`		`28899819781659096270`
`16`		`1727225399291072370690`
`17`		`113442860659098545705130`
`18`		`7154591262923825229979470`
`19`		`526507543922377892743899030`
`20`		`39613798938995626228686492690`

[1,4,18,150,1470,25410,390390,8678670,184294110, 5131136010,187621103670,6217375194030, 274567310987970,12474260804615610, 562558737261811290,28899819781659096270, 1727225399291072370690,113442860659098545705130, 7154591262923825229979470, 526507543922377892743899030, 39613798938995626228686492690]

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)