A012847 - OEIS

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A012847 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`28`
`3`		`152`
`4`		`6928`
`5`		`2225408`
`6`		`348750400`
`7`		`38567316608`
`8`		`5024551512320`
`9`		`2238520490011648`
`10`		`1265695140964379648`
`11`		`555587429710072952832`
`12`		`218348017328527789264896`
`13`		`124784882666107086189330432`

[1,4,28,152,6928,2225408,348750400,38567316608, 5024551512320,2238520490011648, 1265695140964379648,555587429710072952832, 218348017328527789264896, 124784882666107086189330432]

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Last modified April 16 19:21 EDT 2024. Contains 371754 sequences. (Running on oeis4.)