A192658 - OEIS

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

A192658 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`20`
`4`		`72`
`5`		`270`
`6`		`1040`
`7`		`4036`
`8`		`15714`
`9`		`61226`
`10`		`238778`
`11`		`930716`
`12`		`3628520`
`13`		`14143922`
`14`		`55134174`
`15`		`214941488`
`16`		`838158510`
`17`		`3269630046`
`18`		`12761106790`
`19`		`49834920864`
`20`		`194743761948`
`21`		`761543265544`
`22`		`2980128724806`
`23`		`11670402459630`
`24`		`45734346816026`
`25`		`179348093549914`
`26`		`703781965002650`

[1,2,6,20,72,270,1040,4036,15714,61226,238778, 930716,3628520,14143922,55134174,214941488, 838158510,3269630046,12761106790,49834920864, 194743761948,761543265544,2980128724806, 11670402459630,45734346816026,179348093549914, 703781965002650]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)