A015530 - OEIS

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A015530 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`19`
`4`		`88`
`5`		`409`
`6`		`1900`
`7`		`8827`
`8`		`41008`
`9`		`190513`
`10`		`885076`
`11`		`4111843`
`12`		`19102600`
`13`		`88745929`
`14`		`412291516`
`15`		`1915403851`
`16`		`8898489952`
`17`		`41340171361`
`18`		`192056155300`
`19`		`892245135283`
`20`		`4145149007032`
`21`		`19257331433977`
`22`		`89464772757004`

[0,1,4,19,88,409,1900,8827,41008,190513,885076, 4111843,19102600,88745929,412291516,1915403851, 8898489952,41340171361,192056155300,892245135283, 4145149007032,19257331433977,89464772757004]

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Last modified May 14 19:53 EDT 2024. Contains 372533 sequences. (Running on oeis4.)