A012855 - OEIS

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A012855 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`7`
`6`		`28`
`7`		`114`
`8`		`465`
`9`		`1897`
`10`		`7739`
`11`		`31572`
`12`		`128801`
`13`		`525456`
`14`		`2143648`
`15`		`8745217`
`16`		`35676949`
`17`		`145547525`
`18`		`593775046`
`19`		`2422362079`
`20`		`9882257736`
`21`		`40315615410`
`22`		`164471408185`
`23`		`670976837021`
`24`		`2737314167775`
`25`		`11167134898976`

[0,1,1,1,2,7,28,114,465,1897,7739,31572,128801, 525456,2143648,8745217,35676949,145547525, 593775046,2422362079,9882257736,40315615410, 164471408185,670976837021,2737314167775, 11167134898976]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)