A266490 - OEIS

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A266490 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`20`
`4`		`126`
`5`		`972`
`6`		`8876`
`7`		`93580`
`8`		`1119328`
`9`		`14986944`
`10`		`222184136`
`11`		`3614288272`
`12`		`64022264176`
`13`		`1226914925840`
`14`		`25295189791296`
`15`		`558317369479616`
`16`		`13136590271813856`
`17`		`328243850207690432`
`18`		`8680766764223956416`
`19`		`242245419192494844096`
`20`		`7113910552105144027136`
`21`		`219304957649505551899136`
`22`		`7081169542830272102170752`
`23`		`238996807468258679150596352`

[1,1,4,20,126,972,8876,93580,1119328,14986944, 222184136,3614288272,64022264176,1226914925840, 25295189791296,558317369479616,13136590271813856, 328243850207690432,8680766764223956416, 242245419192494844096,7113910552105144027136, 219304957649505551899136, 7081169542830272102170752, 238996807468258679150596352]

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Last modified April 16 14:17 EDT 2024. Contains 371740 sequences. (Running on oeis4.)