A177133 - OEIS

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

A177133 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`12`
`5`		`54`
`6`		`261`
`7`		`1344`
`8`		`7380`
`9`		`43099`
`10`		`265739`
`11`		`1717466`
`12`		`11586670`
`13`		`81422063`
`14`		`594828360`
`15`		`4508090145`
`16`		`35380563603`
`17`		`287130931064`
`18`		`2406309163514`
`19`		`20797551211656`
`20`		`185158224231178`
`21`		`1696132889163096`
`22`		`15969702544475270`

[1,1,3,12,54,261,1344,7380,43099,265739,1717466, 11586670,81422063,594828360,4508090145, 35380563603,287130931064,2406309163514, 20797551211656,185158224231178,1696132889163096, 15969702544475270]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 09:49 EDT 2024. Contains 371967 sequences. (Running on oeis4.)