A277660 - OEIS

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

A277660 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`2`
`3`		`30`
`4`		`310`
`5`		`2730`
`6`		`21980`
`7`		`167076`
`8`		`1220100`
`9`		`8650620`
`10`		`59958030`
`11`		`408172050`
`12`		`2738441706`
`13`		`18151701750`
`14`		`119100934680`
`15`		`774719545320`
`16`		`5001728701800`
`17`		`32081745977496`
`18`		`204596905143930`
`19`		`1298154208907430`
`20`		`8199305968563710`
`21`		`51576591659861730`
`22`		`323239814342259892`
`23`		`2019025558874685900`

[0,0,2,30,310,2730,21980,167076,1220100,8650620, 59958030,408172050,2738441706,18151701750, 119100934680,774719545320,5001728701800, 32081745977496,204596905143930,1298154208907430, 8199305968563710,51576591659861730, 323239814342259892,2019025558874685900]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)