A049403 - OEIS

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

A049403 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`0`
`5`		`3`
`6`		`1`
`7`		`0`
`8`		`3`
`9`		`6`
`10`		`1`
`11`		`0`
`12`		`0`
`13`		`15`
`14`		`10`
`15`		`1`
`16`		`0`
`17`		`0`
`18`		`15`
`19`		`45`
`20`		`15`
`21`		`1`
`22`		`0`
`23`		`0`
`24`		`0`
`25`		`105`
`26`		`105`
`27`		`21`
`28`		`1`
`29`		`0`
`30`		`0`
`31`		`0`
`32`		`105`
`33`		`420`
`34`		`210`
`35`		`28`
`36`		`1`
`37`		`0`
`38`		`0`
`39`		`0`
`40`		`0`
`41`		`945`
`42`		`1260`
`43`		`378`
`44`		`36`
`45`		`1`
`46`		`0`
`47`		`0`
`48`		`0`
`49`		`0`
`50`		`945`
`51`		`4725`
`52`		`3150`
`53`		`630`
`54`		`45`
`55`		`1`
`56`		`0`
`57`		`0`
`58`		`0`
`59`		`0`
`60`		`0`
`61`		`10395`
`62`		`17325`
`63`		`6930`
`64`		`990`
`65`		`55`
`66`		`1`
`67`		`0`
`68`		`0`
`69`		`0`
`70`		`0`
`71`		`0`
`72`		`10395`
`73`		`62370`

[1,1,1,0,3,1,0,3,6,1,0,0,15,10,1,0,0,15,45,15,1,0, 0,0,105,105,21,1,0,0,0,105,420,210,28,1,0,0,0,0, 945,1260,378,36,1,0,0,0,0,945,4725,3150,630,45,1, 0,0,0,0,0,10395,17325,6930,990,55,1,0,0,0,0,0, 10395,62370]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)