A170993 - OEIS

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A170993 as a simple table

`n`		`a(n)`
`2`		`2`
`3`		`1456`
`4`		`91920`
`5`		`1931200`
`6`		`21639720`
`7`		`160786272`
`8`		`893985280`
`9`		`4001984640`
`10`		`15166797900`
`11`		`50211875600`
`12`		`149342289472`
`13`		`404551482816`
`14`		`1017967450960`
`15`		`2389725895200`
`16`		`5320611901440`
`17`		`11218821981312`
`18`		`22749778149786`
`19`		`44125038791280`
`20`		`83117833890400`
`21`		`150796252355840`
`22`		`267599811354744`

[2,1456,91920,1931200,21639720,160786272, 893985280,4001984640,15166797900,50211875600, 149342289472,404551482816,1017967450960, 2389725895200,5320611901440,11218821981312, 22749778149786,44125038791280,83117833890400, 150796252355840,267599811354744]

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Last modified September 6 09:14 EDT 2024. Contains 375712 sequences. (Running on oeis4.)