A087134 - OEIS

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A087134 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`20`
`5`		`42`
`6`		`84`
`7`		`156`
`8`		`312`
`9`		`684`
`10`		`1020`
`11`		`1380`
`12`		`1860`
`13`		`3480`
`14`		`3720`
`15`		`4920`
`16`		`7320`
`17`		`10980`
`18`		`14640`
`19`		`16920`
`20`		`21960`
`21`		`26280`
`22`		`34920`
`23`		`45720`
`24`		`59640`
`25`		`69840`
`26`		`89880`
`27`		`106680`
`28`		`125160`
`29`		`145320`
`30`		`177240`
`31`		`213360`
`32`		`244440`
`33`		`269640`
`34`		`354480`
`35`		`320040`
`36`		`375480`
`37`		`435960`
`38`		`456120`
`39`		`531720`
`40`		`647640`

[1,2,6,20,42,84,156,312,684,1020,1380,1860,3480, 3720,4920,7320,10980,14640,16920,21960,26280, 34920,45720,59640,69840,89880,106680,125160, 145320,177240,213360,244440,269640,354480,320040, 375480,435960,456120,531720,647640]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)