A081721 - OEIS

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A081721 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`10`
`4`		`55`
`5`		`377`
`6`		`4291`
`7`		`60028`
`8`		`1058058`
`9`		`21552969`
`10`		`500280022`
`11`		`12969598086`
`12`		`371514016094`
`13`		`11649073935505`
`14`		`396857785692525`
`15`		`14596464294191704`
`16`		`576460770691256356`
`17`		`24330595997127372497`
`18`		`1092955780817066765469`
`19`		`52063675152021153895330`
`20`		`2621440000054016000176044`

[1,3,10,55,377,4291,60028,1058058,21552969, 500280022,12969598086,371514016094,11649073935505, 396857785692525,14596464294191704, 576460770691256356,24330595997127372497, 1092955780817066765469,52063675152021153895330, 2621440000054016000176044]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)