A270737 - OEIS

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

A270737 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`5`
`3`		`10`
`4`		`20`
`5`		`42`
`6`		`91`
`7`		`195`
`8`		`415`
`9`		`880`
`10`		`1864`
`11`		`3952`
`12`		`8385`
`13`		`17795`
`14`		`37765`
`15`		`80138`
`16`		`170044`
`17`		`360810`
`18`		`765595`
`19`		`1624515`
`20`		`3447071`
`21`		`7314368`
`22`		`15520400`
`23`		`32932800`
`24`		`69880225`
`25`		`148279107`
`26`		`314634021`
`27`		`667623210`
`28`		`1416632420`
`29`		`3005958090`
`30`		`6378354619`

[1,3,5,10,20,42,91,195,415,880,1864,3952,8385, 17795,37765,80138,170044,360810,765595,1624515, 3447071,7314368,15520400,32932800,69880225, 148279107,314634021,667623210,1416632420, 3005958090,6378354619]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 1 00:18 EDT 2024. Contains 372143 sequences. (Running on oeis4.)