A007025 - OEIS

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A007025 as a simple table

`n`		`a(n)`
`4`		`0`
`5`		`0`
`6`		`1`
`7`		`1`
`8`		`4`
`9`		`14`
`10`		`67`
`11`		`428`
`12`		`3515`
`13`		`31763`
`14`		`307543`
`15`		`3064701`
`16`		`31199068`
`17`		`322264655`
`18`		`3369911732`
`19`		`35611596455`
`20`		`379881408164`
`21`		`4086847012014`
`22`		`44308209298480`

[0,0,1,1,4,14,67,428,3515,31763,307543,3064701, 31199068,322264655,3369911732,35611596455, 379881408164,4086847012014,44308209298480]

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Last modified August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)