A231291 - OEIS

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A231291 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`9`
`4`		`29`
`5`		`99`
`6`		`355`
`7`		`1333`
`8`		`5213`
`9`		`21163`
`10`		`88899`
`11`		`385413`
`12`		`1720637`
`13`		`7894827`
`14`		`37166563`
`15`		`179254501`
`16`		`884548253`
`17`		`4460597131`
`18`		`22962705027`
`19`		`120557527941`
`20`		`644952640253`
`21`		`3512995320939`
`22`		`19468234666531`
`23`		`109694091843109`
`24`		`628027149163613`
`25`		`3651429293510731`
`26`		`21547912967252163`

[1,1,3,9,29,99,355,1333,5213,21163,88899,385413, 1720637,7894827,37166563,179254501,884548253, 4460597131,22962705027,120557527941,644952640253, 3512995320939,19468234666531,109694091843109, 628027149163613,3651429293510731, 21547912967252163]

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Last modified August 13 16:28 EDT 2024. Contains 375144 sequences. (Running on oeis4.)