A191718 - OEIS

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

A191718 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`2`
`4`		`2`
`5`		`0`
`6`		`4`
`7`		`0`
`8`		`14`
`9`		`0`
`10`		`10`
`11`		`24`
`12`		`0`
`13`		`70`
`14`		`0`
`15`		`26`
`16`		`0`
`17`		`304`
`18`		`0`
`19`		`340`
`20`		`0`
`21`		`76`
`22`		`720`
`23`		`0`
`24`		`2548`
`25`		`0`
`26`		`1540`
`27`		`0`
`28`		`232`
`29`		`0`
`30`		`13488`
`31`		`0`
`32`		`18956`
`33`		`0`
`34`		`7112`
`35`		`0`
`36`		`764`
`37`		`40320`
`38`		`0`
`39`		`161936`
`40`		`0`
`41`		`125580`
`42`		`0`
`43`		`32424`
`44`		`0`
`45`		`2620`
`46`		`0`
`47`		`1011456`
`48`		`0`
`49`		`1648160`
`50`		`0`
`51`		`808248`
`52`		`0`
`53`		`151440`
`54`		`0`
`55`		`9496`
`56`		`3628800`

[1,0,2,2,0,4,0,14,0,10,24,0,70,0,26,0,304,0,340,0, 76,720,0,2548,0,1540,0,232,0,13488,0,18956,0,7112, 0,764,40320,0,161936,0,125580,0,32424,0,2620,0, 1011456,0,1648160,0,808248,0,151440,0,9496, 3628800]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 10:38 EDT 2024. Contains 371791 sequences. (Running on oeis4.)