A210781 - OEIS

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A210781 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`15`
`3`		`53`
`4`		`170`
`5`		`497`
`6`		`1407`
`7`		`3962`
`8`		`10867`
`9`		`30956`
`10`		`87542`
`11`		`248218`
`12`		`711766`
`13`		`2029175`
`14`		`5781750`
`15`		`16430665`
`16`		`46462998`
`17`		`131837484`
`18`		`374313604`
`19`		`1064195679`
`20`		`3028749764`
`21`		`8608397556`
`22`		`24458778262`
`23`		`69472002871`
`24`		`197274426596`
`25`		`560475590510`

[4,15,53,170,497,1407,3962,10867,30956,87542, 248218,711766,2029175,5781750,16430665,46462998, 131837484,374313604,1064195679,3028749764, 8608397556,24458778262,69472002871,197274426596, 560475590510]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)