A261565 - OEIS

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A261565 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`15`
`3`		`54`
`4`		`201`
`5`		`672`
`6`		`2268`
`7`		`7266`
`8`		`23208`
`9`		`72414`
`10`		`224652`
`11`		`688929`
`12`		`2103975`
`13`		`6386907`
`14`		`19337091`
`15`		`58367817`
`16`		`175905741`
`17`		`529331190`
`18`		`1591515297`
`19`		`4781575074`
`20`		`14359673454`
`21`		`43108645230`
`22`		`129387584991`
`23`		`388283978589`
`24`		`1165099808574`
`25`		`3495782937135`
`26`		`10488322595625`

[1,3,15,54,201,672,2268,7266,23208,72414,224652, 688929,2103975,6386907,19337091,58367817, 175905741,529331190,1591515297,4781575074, 14359673454,43108645230,129387584991,388283978589, 1165099808574,3495782937135,10488322595625]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)