A129323 - OEIS

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

A129323 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`18`
`4`		`88`
`5`		`470`
`6`		`2724`
`7`		`17010`
`8`		`113712`
`9`		`809262`
`10`		`6101820`
`11`		`48540778`
`12`		`405935688`
`13`		`3557404838`
`14`		`32577733972`
`15`		`310987560930`
`16`		`3087723669600`
`17`		`31823217868318`
`18`		`339845199259500`
`19`		`3754422961010522`
`20`		`42843681016834680`
`21`		`504339820818380694`

[0,1,4,18,88,470,2724,17010,113712,809262,6101820, 48540778,405935688,3557404838,32577733972, 310987560930,3087723669600,31823217868318, 339845199259500,3754422961010522, 42843681016834680,504339820818380694]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)