A000108 - OEIS

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

A000108 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`14`
`5`		`42`
`6`		`132`
`7`		`429`
`8`		`1430`
`9`		`4862`
`10`		`16796`
`11`		`58786`
`12`		`208012`
`13`		`742900`
`14`		`2674440`
`15`		`9694845`
`16`		`35357670`
`17`		`129644790`
`18`		`477638700`
`19`		`1767263190`
`20`		`6564120420`
`21`		`24466267020`
`22`		`91482563640`
`23`		`343059613650`
`24`		`1289904147324`
`25`		`4861946401452`
`26`		`18367353072152`
`27`		`69533550916004`
`28`		`263747951750360`
`29`		`1002242216651368`
`30`		`3814986502092304`

[1,1,2,5,14,42,132,429,1430,4862,16796,58786, 208012,742900,2674440,9694845,35357670,129644790, 477638700,1767263190,6564120420,24466267020, 91482563640,343059613650,1289904147324, 4861946401452,18367353072152,69533550916004, 263747951750360,1002242216651368,3814986502092304]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 16:03 EDT 2024. Contains 371794 sequences. (Running on oeis4.)