A267219 - OEIS

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A267219 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`22`
`3`		`152`
`4`		`1241`
`5`		`11444`
`6`		`115390`
`7`		`1243672`
`8`		`14104480`
`9`		`166460800`
`10`		`2028202288`
`11`		`25363355200`
`12`		`324098616925`
`13`		`4217387014948`
`14`		`55737166570870`
`15`		`746544123583928`
`16`		`10116388473816503`
`17`		`138496854665195996`
`18`		`1913322982776458234`
`19`		`26646647187379206440`
`20`		`373800949052597088329`

[1,4,22,152,1241,11444,115390,1243672,14104480, 166460800,2028202288,25363355200,324098616925, 4217387014948,55737166570870,746544123583928, 10116388473816503,138496854665195996, 1913322982776458234,26646647187379206440, 373800949052597088329]

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Last modified April 24 13:19 EDT 2024. Contains 371953 sequences. (Running on oeis4.)