A328689 - OEIS

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

A328689 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`2`
`5`		`5`
`6`		`21`
`7`		`42`
`8`		`122`
`9`		`225`
`10`		`570`
`11`		`990`
`12`		`2321`
`13`		`3913`
`14`		`8827`
`15`		`14480`
`16`		`31802`
`17`		`51425`
`18`		`110928`
`19`		`177270`
`20`		`377722`
`21`		`598437`
`22`		`1264307`
`23`		`1990098`
`24`		`4175201`
`25`		`6540605`
`26`		`13653822`
`27`		`21301740`
`28`		`44288071`
`29`		`68877929`
`30`		`142736091`
`31`		`221392266`
`32`		`457560122`
`33`		`708106245`
`34`		`1460194770`
`35`		`2255365152`
`36`		`4641851924`

[0,0,0,2,5,21,42,122,225,570,990,2321,3913,8827, 14480,31802,51425,110928,177270,377722,598437, 1264307,1990098,4175201,6540605,13653822,21301740, 44288071,68877929,142736091,221392266,457560122, 708106245,1460194770,2255365152,4641851924]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)