A052689 - OEIS

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

A052689 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`18`
`4`		`72`
`5`		`480`
`6`		`2880`
`7`		`25200`
`8`		`201600`
`9`		`2177280`
`10`		`21772800`
`11`		`279417600`
`12`		`3353011200`
`13`		`49816166400`
`14`		`697426329600`
`15`		`11769069312000`
`16`		`188305108992000`
`17`		`3556874280960000`
`18`		`64023737057280000`
`19`		`1338096104497152000`
`20`		`26761922089943040000`
`21`		`613091306060513280000`

[1,2,4,18,72,480,2880,25200,201600,2177280, 21772800,279417600,3353011200,49816166400, 697426329600,11769069312000,188305108992000, 3556874280960000,64023737057280000, 1338096104497152000,26761922089943040000, 613091306060513280000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)