A163878 - OEIS

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

A163878 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`20`
`3`		`80`
`4`		`320`
`5`		`1280`
`6`		`5110`
`7`		`20400`
`8`		`81450`
`9`		`325200`
`10`		`1298400`
`11`		`5184000`
`12`		`20697690`
`13`		`82637820`
`14`		`329940630`
`15`		`1317324420`
`16`		`5259563280`
`17`		`20999387520`
`18`		`83842374870`
`19`		`334749945240`
`20`		`1336526142210`
`21`		`5336228292840`
`22`		`21305481048360`
`23`		`85064487085440`

[1,5,20,80,320,1280,5110,20400,81450,325200, 1298400,5184000,20697690,82637820,329940630, 1317324420,5259563280,20999387520,83842374870, 334749945240,1336526142210,5336228292840, 21305481048360,85064487085440]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)