A255969 - OEIS

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A255969 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`3`
`4`		`44`
`5`		`90`
`6`		`2394`
`7`		`6720`
`8`		`202544`
`9`		`1041768`
`10`		`27369000`
`11`		`170418600`
`12`		`5835999432`
`13`		`41711464080`
`14`		`1489935696144`
`15`		`14980499777880`
`16`		`519279726915840`
`17`		`5837621201012160`
`18`		`232228922844775104`
`19`		`2946339663605953920`
`20`		`122979308145781345920`
`21`		`1869847203939341074560`

[1,0,2,3,44,90,2394,6720,202544,1041768,27369000, 170418600,5835999432,41711464080,1489935696144, 14980499777880,519279726915840,5837621201012160, 232228922844775104,2946339663605953920, 122979308145781345920,1869847203939341074560]

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Last modified April 23 07:11 EDT 2024. Contains 371905 sequences. (Running on oeis4.)