A188912 - OEIS

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A188912 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`42`
`4`		`260`
`5`		`1816`
`6`		`13962`
`7`		`116094`
`8`		`1029124`
`9`		`9609144`
`10`		`93569808`
`11`		`942642696`
`12`		`9763181946`
`13`		`103455616400`
`14`		`1117379189926`
`15`		`12264816349938`
`16`		`136501928050116`
`17`		`1537591374945704`
`18`		`17503603786398576`
`19`		`201128739609458904`
`20`		`2330480521265639136`

[1,2,8,42,260,1816,13962,116094,1029124,9609144, 93569808,942642696,9763181946,103455616400, 1117379189926,12264816349938,136501928050116, 1537591374945704,17503603786398576, 201128739609458904,2330480521265639136]

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Last modified September 5 06:41 EDT 2024. Contains 375686 sequences. (Running on oeis4.)