A218691 - OEIS

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A218691 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`26`
`4`		`156`
`5`		`1242`
`6`		`12616`
`7`		`158034`
`8`		`2372880`
`9`		`41725106`
`10`		`843126624`
`11`		`19277549898`
`12`		`492447987136`
`13`		`13907344659210`
`14`		`430397513894016`
`15`		`14487404695687298`
`16`		`527023721684738304`
`17`		`20605894357093102434`
`18`		`861761850029367846400`
`19`		`38387125875316048363386`
`20`		`1814541564588778500135936`

[1,2,6,26,156,1242,12616,158034,2372880,41725106, 843126624,19277549898,492447987136,13907344659210, 430397513894016,14487404695687298, 527023721684738304,20605894357093102434, 861761850029367846400,38387125875316048363386, 1814541564588778500135936]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)