A251840 - OEIS

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

A251840 as a simple table

`n`		`a(n)`
`1`		`641`
`2`		`828`
`3`		`1803`
`4`		`2890`
`5`		`8582`
`6`		`21748`
`7`		`40492`
`8`		`128431`
`9`		`339592`
`10`		`639794`
`11`		`2087597`
`12`		`5632271`
`13`		`10609658`
`14`		`35199882`
`15`		`96069006`
`16`		`180868454`
`17`		`605781397`
`18`		`1663988392`
`19`		`3131743910`
`20`		`10543905961`
`21`		`29063878897`
`22`		`54690404276`
`23`		`184648426284`
`24`		`509929622436`

[641,828,1803,2890,8582,21748,40492,128431,339592, 639794,2087597,5632271,10609658,35199882,96069006, 180868454,605781397,1663988392,3131743910, 10543905961,29063878897,54690404276,184648426284, 509929622436]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)