A000180 - OEIS

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A000180 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`13`
`3`		`116`
`4`		`1393`
`5`		`20894`
`6`		`376093`
`7`		`7897952`
`8`		`189550849`
`9`		`5117872922`
`10`		`153536187661`
`11`		`5066694192812`
`12`		`182400990941233`
`13`		`7113638646708086`
`14`		`298772823161739613`
`15`		`13444777042278282584`
`16`		`645349298029357564033`
`17`		`32912814199497235765682`

[1,2,13,116,1393,20894,376093,7897952,189550849, 5117872922,153536187661,5066694192812, 182400990941233,7113638646708086, 298772823161739613,13444777042278282584, 645349298029357564033,32912814199497235765682]

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Last modified May 3 01:16 EDT 2024. Contains 372203 sequences. (Running on oeis4.)