A290840 - OEIS

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A290840 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`12`
`3`		`117`
`4`		`1584`
`5`		`27525`
`6`		`585108`
`7`		`14726411`
`8`		`428551616`
`9`		`14161828185`
`10`		`523952280900`
`11`		`21456869976135`
`12`		`963553844335536`
`13`		`47078974421716757`
`14`		`2486272976536821332`
`15`		`141118622400977894475`
`16`		`8566597074999702384384`
`17`		`553816179165426157329201`
`18`		`37985975117322654130568964`

[1,2,12,117,1584,27525,585108,14726411,428551616, 14161828185,523952280900,21456869976135, 963553844335536,47078974421716757, 2486272976536821332,141118622400977894475, 8566597074999702384384,553816179165426157329201, 37985975117322654130568964]

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Last modified May 6 14:37 EDT 2024. Contains 372294 sequences. (Running on oeis4.)