A144047 - OEIS

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A144047 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`22`
`3`		`111`
`4`		`570`
`5`		`2917`
`6`		`15112`
`7`		`78900`
`8`		`416525`
`9`		`2221529`
`10`		`11974498`
`11`		`65211746`
`12`		`358742016`
`13`		`1992975905`
`14`		`11178149883`
`15`		`63279615534`
`16`		`361464920864`
`17`		`2082869242399`
`18`		`12104344580384`
`19`		`70924864962233`
`20`		`418922049779244`

[1,4,22,111,570,2917,15112,78900,416525,2221529, 11974498,65211746,358742016,1992975905, 11178149883,63279615534,361464920864, 2082869242399,12104344580384,70924864962233, 418922049779244]

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Last modified July 18 13:57 EDT 2024. Contains 374378 sequences. (Running on oeis4.)