A054393 - OEIS

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A054393 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`14`
`5`		`42`
`6`		`132`
`7`		`428`
`8`		`1417`
`9`		`4757`
`10`		`16119`
`11`		`54963`
`12`		`188219`
`13`		`646460`
`14`		`2224944`
`15`		`7668915`
`16`		`26461005`
`17`		`91371594`
`18`		`315689675`
`19`		`1091166442`
`20`		`3772747245`
`21`		`13047503222`
`22`		`45131078409`
`23`		`156129312025`
`24`		`540181837728`
`25`		`1869097588540`
`26`		`6467740095295`

[1,1,2,5,14,42,132,428,1417,4757,16119,54963, 188219,646460,2224944,7668915,26461005,91371594, 315689675,1091166442,3772747245,13047503222, 45131078409,156129312025,540181837728, 1869097588540,6467740095295]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)