A118973 - OEIS

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

A118973 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`5`
`4`		`16`
`5`		`51`
`6`		`168`
`7`		`565`
`8`		`1934`
`9`		`6716`
`10`		`23604`
`11`		`83806`
`12`		`300154`
`13`		`1083137`
`14`		`3934404`
`15`		`14374413`
`16`		`52787766`
`17`		`194746632`
`18`		`721435884`
`19`		`2682522918`
`20`		`10008240456`
`21`		`37455101382`
`22`		`140569122624`
`23`		`528926230530`
`24`		`1994980278636`
`25`		`7541234323096`

[1,0,2,5,16,51,168,565,1934,6716,23604,83806, 300154,1083137,3934404,14374413,52787766, 194746632,721435884,2682522918,10008240456, 37455101382,140569122624,528926230530, 1994980278636,7541234323096]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)