A007345 - OEIS

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A007345 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`21`
`3`		`127`
`4`		`831`
`5`		`5722`
`6`		`40879`
`7`		`300440`
`8`		`2258455`
`9`		`17291704`
`10`		`134417955`
`11`		`1058279251`
`12`		`8422155293`
`13`		`67647554826`
`14`		`547699155261`
`15`		`4465275681735`
`16`		`36627214297455`
`17`		`302067234113560`
`18`		`2503174651819435`
`19`		`20832888975309257`
`20`		`174057811108059017`
`21`		`1459365504991034106`

[1,4,21,127,831,5722,40879,300440,2258455, 17291704,134417955,1058279251,8422155293, 67647554826,547699155261,4465275681735, 36627214297455,302067234113560,2503174651819435, 20832888975309257,174057811108059017, 1459365504991034106]

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Last modified August 20 15:49 EDT 2024. Contains 375336 sequences. (Running on oeis4.)