A272905 - OEIS

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A272905 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`15`
`7`		`465`
`8`		`19355`
`9`		`1024380`
`10`		`66462480`
`11`		`5188446900`
`12`		`480413448900`
`13`		`52113339432000`
`14`		`6551243302804200`
`15`		`945313572845842200`
`16`		`155243683741953807000`
`17`		`28797215441570535960000`
`18`		`5993001571565164940784000`
`19`		`1390759438984816084192008000`

[0,0,0,0,1,15,465,19355,1024380,66462480, 5188446900,480413448900,52113339432000, 6551243302804200,945313572845842200, 155243683741953807000,28797215441570535960000, 5993001571565164940784000, 1390759438984816084192008000]

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Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)