A121749 - OEIS

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A121749 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`16`
`6`		`66`
`7`		`246`
`8`		`1248`
`9`		`5976`
`10`		`36120`
`11`		`210480`
`12`		`1479600`
`13`		`10140480`
`14`		`81340560`
`15`		`640367280`
`16`		`5773662720`
`17`		`51312240000`
`18`		`513773124480`
`19`		`5085768280320`
`20`		`55995414048000`
`21`		`610811823283200`
`22`		`7334879610643200`
`23`		`87402605773190400`

[1,1,2,6,16,66,246,1248,5976,36120,210480,1479600, 10140480,81340560,640367280,5773662720, 51312240000,513773124480,5085768280320, 55995414048000,610811823283200,7334879610643200, 87402605773190400]

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