A273574 - OEIS

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A273574 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`28`
`3`		`140`
`4`		`652`
`5`		`2672`
`6`		`10804`
`7`		`43920`
`8`		`177084`
`9`		`710844`
`10`		`2856960`
`11`		`11470476`
`12`		`45934872`
`13`		`183647308`
`14`		`733571180`
`15`		`2929364944`

[1,4,28,140,652,2672,10804,43920,177084,710844, 2856960,11470476,45934872,183647308,733571180, 2929364944]

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Last modified April 27 04:50 EDT 2024. Contains 372009 sequences. (Running on oeis4.)