A020113 - OEIS

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

A020113 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`9`
`6`		`43`
`7`		`267`
`8`		`1928`
`9`		`15845`
`10`		`146123`
`11`		`1493701`
`12`		`16762640`
`13`		`204876709`
`14`		`2708925369`
`15`		`38526938569`
`16`		`586465620431`
`17`		`9513775620310`
`18`		`163848357905336`
`19`		`2985681188497228`
`20`		`57391427290002262`
`21`		`1160582196308934616`
`22`		`24630133277222945727`
`23`		`547336295049398793928`

[1,1,1,1,2,9,43,267,1928,15845,146123,1493701, 16762640,204876709,2708925369,38526938569, 586465620431,9513775620310,163848357905336, 2985681188497228,57391427290002262, 1160582196308934616,24630133277222945727, 547336295049398793928]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)