A049156 - OEIS

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

A049156 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`13`
`6`		`43`
`7`		`115`
`8`		`293`
`9`		`837`
`10`		`2709`
`11`		`8945`
`12`		`28419`
`13`		`87857`
`14`		`273911`
`15`		`877575`
`16`		`2864865`
`17`		`9375817`
`18`		`30567385`
`19`		`99663761`
`20`		`326774715`
`21`		`1078769829`
`22`		`3576918307`
`23`		`11882250891`
`24`		`39523870597`
`25`		`131743569949`
`26`		`440333991293`
`27`		`1475535659073`

[1,1,1,1,3,13,43,115,293,837,2709,8945,28419, 87857,273911,877575,2864865,9375817,30567385, 99663761,326774715,1078769829,3576918307, 11882250891,39523870597,131743569949,440333991293, 1475535659073]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)