A121959 - OEIS

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A121959 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`6`
`6`		`19`
`7`		`78`
`8`		`393`
`9`		`2364`
`10`		`16567`
`11`		`132614`
`12`		`1193919`
`13`		`11941554`
`14`		`131373661`
`15`		`1576616546`
`16`		`20497209017`
`17`		`286972867792`
`18`		`4304724390541`
`19`		`68877166865202`
`20`		`1170932333917451`
`21`		`21077068983381910`
`22`		`400468615408646831`

[0,1,2,3,6,19,78,393,2364,16567,132614,1193919, 11941554,131373661,1576616546,20497209017, 286972867792,4304724390541,68877166865202, 1170932333917451,21077068983381910, 400468615408646831]

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)