A169720 - OEIS

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

A169720 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`10`
`2`		`55`
`3`		`253`
`4`		`1081`
`5`		`4465`
`6`		`18145`
`7`		`73153`
`8`		`293761`
`9`		`1177345`
`10`		`4713985`
`11`		`18865153`
`12`		`75479041`
`13`		`301953025`
`14`		`1207885825`
`15`		`4831690753`
`16`		`19327057921`
`17`		`77308821505`
`18`		`309236465665`
`19`		`1236948221953`
`20`		`4947797606401`
`21`		`19791199862785`
`22`		`79164818325505`
`23`		`316659311050753`
`24`		`1266637319700481`

[1,10,55,253,1081,4465,18145,73153,293761,1177345, 4713985,18865153,75479041,301953025,1207885825, 4831690753,19327057921,77308821505,309236465665, 1236948221953,4947797606401,19791199862785, 79164818325505,316659311050753,1266637319700481]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)