A032238 - OEIS

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A032238 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`1`
`3`		`2`
`4`		`5`
`5`		`14`
`6`		`43`
`7`		`142`
`8`		`475`
`9`		`1640`
`10`		`5774`
`11`		`20682`
`12`		`74911`
`13`		`274392`
`14`		`1014155`
`15`		`3778158`
`16`		`14170988`
`17`		`53471322`
`18`		`202835554`
`19`		`773073462`
`20`		`2958951714`
`21`		`11368816862`
`22`		`43832643969`
`23`		`169531531422`
`24`		`657591743743`
`25`		`2557480816940`
`26`		`9970749112046`
`27`		`38960285199980`
`28`		`152554056890622`

[2,1,2,5,14,43,142,475,1640,5774,20682,74911, 274392,1014155,3778158,14170988,53471322, 202835554,773073462,2958951714,11368816862, 43832643969,169531531422,657591743743, 2557480816940,9970749112046,38960285199980, 152554056890622]

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Last modified April 24 15:52 EDT 2024. Contains 371961 sequences. (Running on oeis4.)