A013558 - OEIS

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

A013558 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`3`
`5`		`33`
`6`		`155`
`7`		`1195`
`8`		`5418`
`9`		`72373`
`10`		`496027`
`11`		`6851051`
`12`		`59706592`
`13`		`986009607`
`14`		`10430165629`
`15`		`193892831665`
`16`		`2439695949632`
`17`		`50409517110169`
`18`		`737532991565959`
`19`		`16755308524034767`
`20`		`279581740874221016`

[0,1,1,4,3,33,155,1195,5418,72373,496027,6851051, 59706592,986009607,10430165629,193892831665, 2439695949632,50409517110169,737532991565959, 16755308524034767,279581740874221016]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 11:21 EDT 2024. Contains 371936 sequences. (Running on oeis4.)