A055589 - OEIS

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

A055589 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`6`
`3`		`26`
`4`		`96`
`5`		`321`
`6`		`1002`
`7`		`2972`
`8`		`8472`
`9`		`23392`
`10`		`62912`
`11`		`165504`
`12`		`427264`
`13`		`1085184`
`14`		`2717184`
`15`		`6718464`
`16`		`16427008`
`17`		`39763968`
`18`		`95387648`
`19`		`226951168`
`20`		`535953408`
`21`		`1257046016`
`22`		`2929852416`
`23`		`6789267456`
`24`		`15648423936`
`25`		`35888562176`
`26`		`81927340032`

[0,1,6,26,96,321,1002,2972,8472,23392,62912, 165504,427264,1085184,2717184,6718464,16427008, 39763968,95387648,226951168,535953408,1257046016, 2929852416,6789267456,15648423936,35888562176, 81927340032]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)