A005721 - OEIS

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A005721 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`44`
`3`		`580`
`4`		`8092`
`5`		`116304`
`6`		`1703636`
`7`		`25288120`
`8`		`379061020`
`9`		`5724954544`
`10`		`86981744944`
`11`		`1327977811076`
`12`		`20356299454276`
`13`		`313095240079600`
`14`		`4829571309488760`
`15`		`74683398325804080`
`16`		`1157402982351003420`
`17`		`17971185794898859248`

[1,4,44,580,8092,116304,1703636,25288120, 379061020,5724954544,86981744944,1327977811076, 20356299454276,313095240079600,4829571309488760, 74683398325804080,1157402982351003420, 17971185794898859248]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)