A005477 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A005477 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`18`
`3`		`420`
`4`		`16200`
`5`		`1138320`
`6`		`152681760`
`7`		`40012315200`
`8`		`20727639504000`
`9`		`21349793828563200`
`10`		`43852643645542617600`
`11`		`179883715700853141120000`
`12`		`1474687052822610564537600000`
`13`		`24170122236238340825650936320000`

[0,1,18,420,16200,1138320,152681760,40012315200, 20727639504000,21349793828563200, 43852643645542617600,179883715700853141120000, 1474687052822610564537600000, 24170122236238340825650936320000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)