A000307 - OEIS

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A000307 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`22`
`4`		`154`
`5`		`1304`
`6`		`12915`
`7`		`146115`
`8`		`1855570`
`9`		`26097835`
`10`		`402215465`
`11`		`6734414075`
`12`		`121629173423`
`13`		`2355470737637`
`14`		`48664218965021`
`15`		`1067895971109199`
`16`		`24795678053493443`
`17`		`607144847919796830`
`18`		`15630954703539323090`
`19`		`421990078975569031642`
`20`		`11918095123121138408128`

[1,1,4,22,154,1304,12915,146115,1855570,26097835, 402215465,6734414075,121629173423,2355470737637, 48664218965021,1067895971109199,24795678053493443, 607144847919796830,15630954703539323090, 421990078975569031642,11918095123121138408128]

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Last modified April 27 15:06 EDT 2024. Contains 372019 sequences. (Running on oeis4.)