A008020 - OEIS

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A008020 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`9`
`3`		`18`
`4`		`30`
`5`		`43`
`6`		`64`
`7`		`90`
`8`		`111`
`9`		`140`
`10`		`181`
`11`		`215`
`12`		`249`
`13`		`296`
`14`		`342`
`15`		`389`
`16`		`450`
`17`		`511`
`18`		`565`
`19`		`624`
`20`		`690`
`21`		`766`
`22`		`850`
`23`		`927`
`24`		`1003`
`25`		`1088`
`26`		`1172`
`27`		`1262`
`28`		`1368`
`29`		`1471`
`30`		`1566`
`31`		`1669`
`32`		`1779`
`33`		`1892`
`34`		`2011`
`35`		`2132`
`36`		`2256`
`37`		`2384`
`38`		`2510`
`39`		`2642`
`40`		`2784`
`41`		`2925`
`42`		`3067`
`43`		`3214`
`44`		`3364`
`45`		`3521`
`46`		`3680`
`47`		`3838`
`48`		`4007`

[1,4,9,18,30,43,64,90,111,140,181,215,249,296,342, 389,450,511,565,624,690,766,850,927,1003,1088, 1172,1262,1368,1471,1566,1669,1779,1892,2011,2132, 2256,2384,2510,2642,2784,2925,3067,3214,3364,3521, 3680,3838,4007]

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Last modified January 19 15:20 EST 2021. Contains 340270 sequences. (Running on oeis4.)