A181517 - OEIS

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

A181517 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`4`
`5`		`17`
`6`		`82`
`7`		`422`
`8`		`2274`
`9`		`12665`
`10`		`72326`
`11`		`421214`
`12`		`2492112`
`13`		`14937210`
`14`		`90508256`
`15`		`553492552`
`16`		`3411758334`
`17`		`21175624713`
`18`		`132226234854`
`19`		`830077057878`
`20`		`5235817447752`
`21`		`33166634502334`
`22`		`210904780742860`
`23`		`1345806528336772`
`24`		`8614979593487972`
`25`		`55307373497626442`
`26`		`356012579697723084`

[1,4,17,82,422,2274,12665,72326,421214,2492112, 14937210,90508256,553492552,3411758334, 21175624713,132226234854,830077057878, 5235817447752,33166634502334,210904780742860, 1345806528336772,8614979593487972, 55307373497626442,356012579697723084]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)