A053525 - OEIS

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

A053525 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`23`
`5`		`166`
`6`		`1437`
`7`		`14512`
`8`		`167491`
`9`		`2174746`
`10`		`31374953`
`11`		`497909380`
`12`		`8619976719`
`13`		`161667969646`
`14`		`3265326093109`
`15`		`70663046421208`
`16`		`1631123626335707`
`17`		`40004637435452866`
`18`		`1038860856732399105`
`19`		`28476428717448349996`
`20`		`821656049857815980455`

[1,0,1,4,23,166,1437,14512,167491,2174746, 31374953,497909380,8619976719,161667969646, 3265326093109,70663046421208,1631123626335707, 40004637435452866,1038860856732399105, 28476428717448349996,821656049857815980455]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)