A118397 - OEIS

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

A118397 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`7`
`3`		`20`
`4`		`73`
`5`		`254`
`6`		`895`
`7`		`3080`
`8`		`10801`
`9`		`38426`
`10`		`138775`
`11`		`504284`
`12`		`1838137`
`13`		`6705494`
`14`		`24464719`
`15`		`89204624`
`16`		`324981985`
`17`		`1183034546`
`18`		`4305313447`
`19`		`15672486692`
`20`		`57100841641`
`21`		`208309692974`
`22`		`761141694367`
`23`		`2785955603096`
`24`		`10215141094417`

[1,2,7,20,73,254,895,3080,10801,38426,138775, 504284,1838137,6705494,24464719,89204624, 324981985,1183034546,4305313447,15672486692, 57100841641,208309692974,761141694367, 2785955603096,10215141094417]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 13 09:19 EDT 2024. Contains 375130 sequences. (Running on oeis4.)