A155628 - OEIS

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A155628 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`34`
`3`		`280`
`4`		`2146`
`5`		`15784`
`6`		`113554`
`7`		`807160`
`8`		`5699266`
`9`		`40091464`
`10`		`281426674`
`11`		`1973132440`
`12`		`13824509986`
`13`		`96821901544`
`14`		`677954637394`
`15`		`4746487768120`
`16`		`33228635602306`
`17`		`232613334118024`
`18`		`1628344878433714`
`19`		`11398620307466200`

[1,4,34,280,2146,15784,113554,807160,5699266, 40091464,281426674,1973132440,13824509986, 96821901544,677954637394,4746487768120, 33228635602306,232613334118024,1628344878433714, 11398620307466200]

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Last modified April 19 02:12 EDT 2024. Contains 371782 sequences. (Running on oeis4.)