A171989 - OEIS

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A171989 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`6`
`3`		`30`
`4`		`210`
`5`		`2310`
`6`		`29464`
`7`		`476928`
`8`		`9671392`
`9`		`222388792`
`10`		`6438663000`
`11`		`200560490130`
`12`		`7379606916000`
`13`		`299261862900000`
`14`		`13004421443456272`
`15`		`614231422273479360`
`16`		`31727029501157817600`
`17`		`1915248189055217892480`
`18`		`116762424492324428512272`

[2,6,30,210,2310,29464,476928,9671392,222388792, 6438663000,200560490130,7379606916000, 299261862900000,13004421443456272, 614231422273479360,31727029501157817600, 1915248189055217892480,116762424492324428512272]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)