A128318 - OEIS

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A128318 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`28`
`4`		`276`
`5`		`3480`
`6`		`53232`
`7`		`955524`
`8`		`19672320`
`9`		`456803328`
`10`		`11810032896`
`11`		`336463895808`
`12`		`10473959755008`
`13`		`353739038360832`
`14`		`12883270796310528`
`15`		`503352328766459904`
`16`		`21001144899441162240`
`17`		`931963581151516477440`
`18`		`43832663421577452887040`
`19`		`2178029362561822117094400`
`20`		`114014865901176834809333760`

[1,1,4,28,276,3480,53232,955524,19672320, 456803328,11810032896,336463895808,10473959755008, 353739038360832,12883270796310528, 503352328766459904,21001144899441162240, 931963581151516477440,43832663421577452887040, 2178029362561822117094400, 114014865901176834809333760]

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Last modified September 13 07:00 EDT 2024. Contains 375865 sequences. (Running on oeis4.)