A081872 - OEIS

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A081872 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`12`
`3`		`15`
`4`		`24`
`5`		`21`
`6`		`35`
`7`		`40`
`8`		`45`
`9`		`60`
`10`		`63`
`11`		`56`
`12`		`55`
`13`		`84`
`14`		`77`
`15`		`80`
`16`		`99`
`17`		`72`
`18`		`112`
`19`		`91`
`20`		`117`
`21`		`144`
`22`		`143`
`23`		`105`
`24`		`140`
`25`		`132`
`26`		`180`
`27`		`165`
`28`		`120`
`29`		`176`
`30`		`195`
`31`		`153`
`32`		`168`
`33`		`220`
`34`		`187`
`35`		`156`
`36`		`221`
`37`		`171`
`38`		`255`
`39`		`208`
`40`		`264`
`41`		`209`
`42`		`260`
`43`		`247`
`44`		`252`
`45`		`285`
`46`		`312`
`47`		`231`
`48`		`323`
`49`		`240`
`50`		`308`
`51`		`273`
`52`		`224`
`53`		`364`
`54`		`253`
`55`		`357`
`56`		`288`

[4,12,15,24,21,35,40,45,60,63,56,55,84,77,80,99, 72,112,91,117,144,143,105,140,132,180,165,120,176, 195,153,168,220,187,156,221,171,255,208,264,209, 260,247,252,285,312,231,323,240,308,273,224,364, 253,357,288]

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Last modified June 6 00:30 EDT 2024. Contains 373110 sequences. (Running on oeis4.)