A072850 - OEIS

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

A072850 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`18`
`5`		`54`
`6`		`146`
`7`		`391`
`8`		`1081`
`9`		`3004`
`10`		`8320`
`11`		`22984`
`12`		`63424`
`13`		`175176`
`14`		`484113`
`15`		`1337721`
`16`		`3695886`
`17`		`10210702`
`18`		`28209954`
`19`		`77940078`
`20`		`215337554`
`21`		`594943087`
`22`		`1643728129`
`23`		`4541349672`
`24`		`12547013504`
`25`		`34665373744`
`26`		`95774808224`
`27`		`264610227072`

[1,2,6,18,54,146,391,1081,3004,8320,22984,63424, 175176,484113,1337721,3695886,10210702,28209954, 77940078,215337554,594943087,1643728129, 4541349672,12547013504,34665373744,95774808224, 264610227072]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)