A258797 - OEIS

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

A258797 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`16`
`5`		`51`
`6`		`166`
`7`		`554`
`8`		`1896`
`9`		`6595`
`10`		`23212`
`11`		`82582`
`12`		`296393`
`13`		`1071738`
`14`		`3900696`
`15`		`14278074`
`16`		`52526972`
`17`		`194108087`
`18`		`720197524`
`19`		`2681854490`
`20`		`10019539112`
`21`		`37545876368`
`22`		`141080872362`
`23`		`531457445806`
`24`		`2006678785762`
`25`		`7593123695669`
`26`		`28789152013570`
`27`		`109356019134584`

[1,1,2,6,16,51,166,554,1896,6595,23212,82582, 296393,1071738,3900696,14278074,52526972, 194108087,720197524,2681854490,10019539112, 37545876368,141080872362,531457445806, 2006678785762,7593123695669,28789152013570, 109356019134584]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)