A323972 - OEIS

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A323972 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`21`
`2`		`259`
`3`		`2570`
`4`		`18546`
`5`		`106067`
`6`		`508484`
`7`		`2117690`
`8`		`7852836`
`9`		`26400811`
`10`		`81594028`
`11`		`234380304`
`12`		`631352789`
`13`		`1606571023`
`14`		`3885713191`
`15`		`8979237218`
`16`		`19912769178`
`17`		`42540796862`
`18`		`87841523926`
`19`		`175820917355`
`20`		`341996038445`
`21`		`647926774508`
`22`		`1197980968295`
`23`		`2165529201795`
`24`		`3833173915877`

[1,21,259,2570,18546,106067,508484,2117690, 7852836,26400811,81594028,234380304,631352789, 1606571023,3885713191,8979237218,19912769178, 42540796862,87841523926,175820917355,341996038445, 647926774508,1197980968295,2165529201795, 3833173915877]

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Last modified April 24 10:49 EDT 2024. Contains 371935 sequences. (Running on oeis4.)