A007140 - OEIS

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

A007140 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`14`
`4`		`115`
`5`		`2086`
`6`		`101791`
`7`		`14835870`
`8`		`6852422567`
`9`		`10338780759514`
`10`		`51804974736769271`
`11`		`872530598196790164797`
`12`		`49930445153769776449253479`
`13`		`9805619466642079028742952893709`
`14`		`6670375074613812276139335045628924297`
`15`		`15853216549413764390038207575938343994222273`

[1,1,3,14,115,2086,101791,14835870,6852422567, 10338780759514,51804974736769271, 872530598196790164797,49930445153769776449253479, 9805619466642079028742952893709, 6670375074613812276139335045628924297, 15853216549413764390038207575938343994222273]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 07:11 EDT 2024. Contains 371782 sequences. (Running on oeis4.)