A019194 - OEIS

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

A019194 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`0`
`5`		`2`
`6`		`8`
`7`		`4`
`8`		`26`
`9`		`54`
`10`		`126`
`11`		`258`
`12`		`770`
`13`		`1568`
`14`		`4030`
`15`		`9560`
`16`		`25381`
`17`		`58328`
`18`		`154310`
`19`		`382514`
`20`		`1002989`
`21`		`2515622`
`22`		`6687152`
`23`		`17226920`
`24`		`45770045`
`25`		`119696108`
`26`		`320324918`
`27`		`846684628`
`28`		`2271206729`
`29`		`6053095938`
`30`		`16284572288`
`31`		`43613979158`

[0,0,2,8,4,26,54,126,258,770,1568,4030,9560,25381, 58328,154310,382514,1002989,2515622,6687152, 17226920,45770045,119696108,320324918,846684628, 2271206729,6053095938,16284572288,43613979158]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)