A138546 - OEIS

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A138546 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`4`
`3`		`0`
`4`		`42`
`5`		`0`
`6`		`660`
`7`		`0`
`8`		`12810`
`9`		`0`
`10`		`281736`
`11`		`0`
`12`		`6727644`
`13`		`0`
`14`		`170316432`
`15`		`0`
`16`		`4504487130`
`17`		`0`
`18`		`123255492360`
`19`		`0`
`20`		`3465702008340`
`21`		`0`
`22`		`99645553785960`
`23`		`0`
`24`		`2918768920720380`
`25`		`0`
`26`		`86852063374902000`
`27`		`0`
`28`		`2619552500788984200`
`29`		`0`
`30`		`79939673971478231760`
`31`		`0`

[1,0,4,0,42,0,660,0,12810,0,281736,0,6727644,0, 170316432,0,4504487130,0,123255492360,0, 3465702008340,0,99645553785960,0,2918768920720380, 0,86852063374902000,0,2619552500788984200,0, 79939673971478231760,0]

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Last modified September 25 06:59 EDT 2023. Contains 365582 sequences. (Running on oeis4.)