A020077 - OEIS

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

A020077 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`5`
`5`		`22`
`6`		`122`
`7`		`787`
`8`		`5852`
`9`		`49330`
`10`		`465112`
`11`		`4850460`
`12`		`55433829`
`13`		`688963306`
`14`		`9251792972`
`15`		`133490155743`
`16`		`2059562402902`
`17`		`33835668047686`
`18`		`589707357402530`
`19`		`10867464157846629`
`20`		`211139303638163096`
`21`		`4313274345751046120`

[1,0,0,1,5,22,122,787,5852,49330,465112,4850460, 55433829,688963306,9251792972,133490155743, 2059562402902,33835668047686,589707357402530, 10867464157846629,211139303638163096, 4313274345751046120]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 8 20:40 EDT 2024. Contains 375759 sequences. (Running on oeis4.)