A026860 - OEIS

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A026860 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`12`
`5`		`95`
`6`		`629`
`7`		`3781`
`8`		`21433`
`9`		`116928`
`10`		`621317`
`11`		`3239925`
`12`		`16662600`
`13`		`84804868`
`14`		`428176176`
`15`		`2148404051`
`16`		`10726889402`
`17`		`53349600116`
`18`		`264499086453`
`19`		`1308025259637`
`20`		`6455291067020`
`21`		`31804649415803`
`22`		`156486128169860`
`23`		`769098411417361`

[1,12,95,629,3781,21433,116928,621317,3239925, 16662600,84804868,428176176,2148404051, 10726889402,53349600116,264499086453, 1308025259637,6455291067020,31804649415803, 156486128169860,769098411417361]

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Last modified September 3 16:57 EDT 2024. Contains 375672 sequences. (Running on oeis4.)