A117426 - OEIS

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A117426 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`15`
`4`		`51`
`5`		`192`
`6`		`781`
`7`		`3416`
`8`		`15925`
`9`		`78596`
`10`		`408338`
`11`		`2224366`
`12`		`12650993`
`13`		`74876951`
`14`		`459783612`
`15`		`2922921342`
`16`		`19192162341`
`17`		`129864598567`
`18`		`903840021982`
`19`		`6460209847134`
`20`		`47345351199235`
`21`		`355305371430876`
`22`		`2727065598788861`

[1,2,5,15,51,192,781,3416,15925,78596,408338, 2224366,12650993,74876951,459783612,2922921342, 19192162341,129864598567,903840021982, 6460209847134,47345351199235,355305371430876, 2727065598788861]

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Last modified May 13 15:50 EDT 2024. Contains 372521 sequences. (Running on oeis4.)