A241431 - OEIS

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

A241431 as a simple table

`n`		`a(n)`
`1`		`7`
`2`		`21`
`3`		`74`
`4`		`515`
`5`		`1527`
`6`		`5304`
`7`		`20690`
`8`		`61348`
`9`		`257119`
`10`		`920918`
`11`		`3090540`
`12`		`12030044`
`13`		`40508800`
`14`		`149637207`
`15`		`549347596`
`16`		`1879652737`
`17`		`7032173983`
`18`		`24856568624`
`19`		`88496458840`
`20`		`325227255990`
`21`		`1142461364583`
`22`		`4148471540343`
`23`		`14938347230115`

[7,21,74,515,1527,5304,20690,61348,257119,920918, 3090540,12030044,40508800,149637207,549347596, 1879652737,7032173983,24856568624,88496458840, 325227255990,1142461364583,4148471540343, 14938347230115]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 07:28 EDT 2024. Contains 371922 sequences. (Running on oeis4.)