A026972 - OEIS

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A026972 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`24`
`4`		`108`
`5`		`406`
`6`		`1908`
`7`		`7289`
`8`		`34248`
`9`		`131766`
`10`		`623700`
`11`		`2416836`
`12`		`11487528`
`13`		`44745468`
`14`		`213451560`
`15`		`834897375`
`16`		`3993910416`
`17`		`15673923910`
`18`		`75152083716`
`19`		`295737641768`
`20`		`1420670333640`
`21`		`5603322265428`
`22`		`26960309526744`
`23`		`106539505068194`
`24`		`513309625743600`
`25`		`2031786103702780`
`26`		`9800639852315208`

[1,6,24,108,406,1908,7289,34248,131766,623700, 2416836,11487528,44745468,213451560,834897375, 3993910416,15673923910,75152083716,295737641768, 1420670333640,5603322265428,26960309526744, 106539505068194,513309625743600,2031786103702780, 9800639852315208]

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Last modified April 26 07:58 EDT 2024. Contains 371991 sequences. (Running on oeis4.)