A197745 - OEIS

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

A197745 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`12`
`3`		`66`
`4`		`212`
`5`		`921`
`6`		`4086`
`7`		`17332`
`8`		`75122`
`9`		`326124`
`10`		`1408419`
`11`		`6097753`
`12`		`26404858`
`13`		`114255411`
`14`		`494519798`
`15`		`2140532037`
`16`		`9264510866`
`17`		`40098753497`
`18`		`173557720814`
`19`		`751196491106`
`20`		`3251349837567`
`21`		`14072600064116`
`22`		`60909443628883`
`23`		`263630086389334`
`24`		`1141051836433576`
`25`		`4938735140721662`

[2,12,66,212,921,4086,17332,75122,326124,1408419, 6097753,26404858,114255411,494519798,2140532037, 9264510866,40098753497,173557720814,751196491106, 3251349837567,14072600064116,60909443628883, 263630086389334,1141051836433576,4938735140721662]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)