A267681 - OEIS

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A267681 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`21`
`3`		`99`
`4`		`471`
`5`		`1935`
`6`		`8031`
`7`		`32319`
`8`		`130431`
`9`		`522495`
`10`		`2094591`
`11`		`8381439`
`12`		`33544191`
`13`		`134189055`
`14`		`536829951`
`15`		`2147368959`
`16`		`8589770751`
`17`		`34359279615`
`18`		`137438298111`
`19`		`549753978879`
`20`		`2199020634111`
`21`		`8796085682175`
`22`		`35184361603071`
`23`		`140737458995199`
`24`		`562949911478271`

[1,0,21,99,471,1935,8031,32319,130431,522495, 2094591,8381439,33544191,134189055,536829951, 2147368959,8589770751,34359279615,137438298111, 549753978879,2199020634111,8796085682175, 35184361603071,140737458995199,562949911478271]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)