A020554 - OEIS

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A020554 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`16`
`4`		`139`
`5`		`1750`
`6`		`29388`
`7`		`624889`
`8`		`16255738`
`9`		`504717929`
`10`		`18353177160`
`11`		`769917601384`
`12`		`36803030137203`
`13`		`1984024379014193`
`14`		`119571835094300406`
`15`		`7995677265437541258`
`16`		`589356399302126773920`
`17`		`47609742627231823142029`
`18`		`4193665147256300117666879`

[1,1,3,16,139,1750,29388,624889,16255738, 504717929,18353177160,769917601384,36803030137203, 1984024379014193,119571835094300406, 7995677265437541258,589356399302126773920, 47609742627231823142029,4193665147256300117666879]

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Last modified April 19 08:08 EDT 2024. Contains 371782 sequences. (Running on oeis4.)