A167874 - OEIS

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A167874 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`15`
`3`		`69`
`4`		`409`
`5`		`2447`
`6`		`16337`
`7`		`117959`
`8`		`880623`
`9`		`6849011`
`10`		`54825357`
`11`		`448752095`
`12`		`3741170439`
`13`		`31669329743`
`14`		`271560643329`
`15`		`2354418484607`
`16`		`20608371394595`
`17`		`181897678706317`
`18`		`1617351777154871`

[3,15,69,409,2447,16337,117959,880623,6849011, 54825357,448752095,3741170439,31669329743, 271560643329,2354418484607,20608371394595, 181897678706317,1617351777154871]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)