A005649 - OEIS

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A005649 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`44`
`4`		`308`
`5`		`2612`
`6`		`25988`
`7`		`296564`
`8`		`3816548`
`9`		`54667412`
`10`		`862440068`
`11`		`14857100084`
`12`		`277474957988`
`13`		`5584100659412`
`14`		`120462266974148`
`15`		`2772968936479604`
`16`		`67843210855558628`
`17`		`1757952715142990612`
`18`		`48093560991292628228`
`19`		`1385244691781856307124`

[1,2,8,44,308,2612,25988,296564,3816548,54667412, 862440068,14857100084,277474957988,5584100659412, 120462266974148,2772968936479604, 67843210855558628,1757952715142990612, 48093560991292628228,1385244691781856307124]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)