A221581 - OEIS

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A221581 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`13`
`2`		`195`
`3`		`2730`
`4`		`38402`
`5`		`537615`
`6`		`7529340`
`7`		`105410565`
`8`		`1475786130`
`9`		`20661005638`
`10`		`289254613830`
`11`		`4049564590890`
`12`		`56693911799265`
`13`		`793714765148760`
`14`		`11112006817455180`
`15`		`155568095444334495`
`16`		`2177953337695895942`
`17`		`30491346727741970070`
`18`		`426878854209048054450`

[1,13,195,2730,38402,537615,7529340,105410565, 1475786130,20661005638,289254613830,4049564590890, 56693911799265,793714765148760,11112006817455180, 155568095444334495,2177953337695895942, 30491346727741970070,426878854209048054450]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)