A007420 - OEIS

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A007420 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`0`
`5`		`-4`
`6`		`0`
`7`		`16`
`8`		`16`
`9`		`-32`
`10`		`-64`
`11`		`64`
`12`		`256`
`13`		`0`
`14`		`-768`
`15`		`-512`
`16`		`2048`
`17`		`3072`
`18`		`-4096`
`19`		`-12288`
`20`		`4096`
`21`		`40960`
`22`		`16384`
`23`		`-114688`
`24`		`-131072`
`25`		`262144`
`26`		`589824`
`27`		`-393216`
`28`		`-2097152`
`29`		`-262144`
`30`		`6291456`
`31`		`5242880`
`32`		`-15728640`
`33`		`-27262976`
`34`		`29360128`
`35`		`104857600`
`36`		`-16777216`

[0,0,1,2,0,-4,0,16,16,-32,-64,64,256,0,-768,-512, 2048,3072,-4096,-12288,4096,40960,16384,-114688, -131072,262144,589824,-393216,-2097152,-262144, 6291456,5242880,-15728640,-27262976,29360128, 104857600,-16777216]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)