A180887 - OEIS

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

A180887 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`3`
`3`		`3`
`4`		`6`
`5`		`12`
`6`		`6`
`7`		`10`
`8`		`50`
`9`		`50`
`10`		`10`
`11`		`20`
`12`		`160`
`13`		`360`
`14`		`160`
`15`		`20`
`16`		`35`
`17`		`525`
`18`		`1960`
`19`		`1960`
`20`		`525`
`21`		`35`
`22`		`70`
`23`		`1540`
`24`		`10010`
`25`		`17080`
`26`		`10010`
`27`		`1540`
`28`		`70`
`29`		`126`
`30`		`4662`
`31`		`45738`
`32`		`130914`
`33`		`130914`
`34`		`45738`
`35`		`4662`
`36`		`126`
`37`		`252`
`38`		`13104`
`39`		`203616`
`40`		`877968`
`41`		`1438920`
`42`		`877968`
`43`		`203616`
`44`		`13104`
`45`		`252`
`46`		`462`
`47`		`38346`

[2,3,3,6,12,6,10,50,50,10,20,160,360,160,20,35, 525,1960,1960,525,35,70,1540,10010,17080,10010, 1540,70,126,4662,45738,130914,130914,45738,4662, 126,252,13104,203616,877968,1438920,877968,203616, 13104,252,462,38346]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)