A287281 - OEIS

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A287281 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`15`
`5`		`52`
`6`		`203`
`7`		`877`
`8`		`4140`
`9`		`21147`
`10`		`115975`
`11`		`657423`
`12`		`3827518`
`13`		`22762925`
`14`		`137649001`
`15`		`843059144`
`16`		`5212898020`
`17`		`32457312604`
`18`		`203096802134`
`19`		`1275403897840`
`20`		`8030979290267`
`21`		`50672180941765`
`22`		`320201670174878`
`23`		`2025623521511803`
`24`		`12824705758528817`
`25`		`81244888488645467`

[1,1,2,5,15,52,203,877,4140,21147,115975,657423, 3827518,22762925,137649001,843059144,5212898020, 32457312604,203096802134,1275403897840, 8030979290267,50672180941765,320201670174878, 2025623521511803,12824705758528817, 81244888488645467]

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)