A164904 - OEIS

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

A164904 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`2`
`5`		`5`
`6`		`5`
`7`		`15`
`8`		`15`
`9`		`52`
`10`		`52`
`11`		`203`
`12`		`203`
`13`		`877`
`14`		`877`
`15`		`4140`
`16`		`4140`
`17`		`21147`
`18`		`21147`
`19`		`115975`
`20`		`115975`
`21`		`678569`
`22`		`678569`
`23`		`4213530`
`24`		`4213530`
`25`		`27641927`
`26`		`27641927`
`27`		`190829797`
`28`		`190829797`
`29`		`1381367941`
`30`		`1381367941`
`31`		`10448276360`
`32`		`10448276360`
`33`		`82285618467`

[1,1,1,2,2,5,5,15,15,52,52,203,203,877,877,4140, 4140,21147,21147,115975,115975,678569,678569, 4213530,4213530,27641927,27641927,190829797, 190829797,1381367941,1381367941,10448276360, 10448276360,82285618467]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)