A000577 - OEIS

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

A000577 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`4`
`6`		`12`
`7`		`24`
`8`		`66`
`9`		`160`
`10`		`448`
`11`		`1186`
`12`		`3334`
`13`		`9235`
`14`		`26166`
`15`		`73983`
`16`		`211297`
`17`		`604107`
`18`		`1736328`
`19`		`5000593`
`20`		`14448984`
`21`		`41835738`
`22`		`121419260`
`23`		`353045291`
`24`		`1028452717`
`25`		`3000800627`
`26`		`8769216722`
`27`		`25661961898`
`28`		`75195166667`
`29`		`220605519559`
`30`		`647943626796`
`31`		`1905104762320`
`32`		`5607039506627`
`33`		`16517895669575`

[1,1,1,3,4,12,24,66,160,448,1186,3334,9235,26166, 73983,211297,604107,1736328,5000593,14448984, 41835738,121419260,353045291,1028452717, 3000800627,8769216722,25661961898,75195166667, 220605519559,647943626796,1905104762320, 5607039506627,16517895669575]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)