A020220 - OEIS

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A020220 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`39`
`3`		`65`
`4`		`91`
`5`		`93`
`6`		`105`
`7`		`217`
`8`		`231`
`9`		`273`
`10`		`301`
`11`		`341`
`12`		`403`
`13`		`451`
`14`		`465`
`15`		`559`
`16`		`561`
`17`		`651`
`18`		`861`
`19`		`1001`
`20`		`1085`
`21`		`1105`
`22`		`1209`
`23`		`1271`
`24`		`1333`
`25`		`1365`
`26`		`1393`
`27`		`1661`
`28`		`1729`
`29`		`2465`
`30`		`2587`
`31`		`2701`
`32`		`2821`
`33`		`3171`
`34`		`3731`
`35`		`3781`
`36`		`3913`
`37`		`4033`
`38`		`4123`
`39`		`4371`
`40`		`4641`
`41`		`4681`
`42`		`5565`
`43`		`6045`
`44`		`6169`
`45`		`6191`
`46`		`6697`
`47`		`7161`

[21,39,65,91,93,105,217,231,273,301,341,403,451, 465,559,561,651,861,1001,1085,1105,1209,1271,1333, 1365,1393,1661,1729,2465,2587,2701,2821,3171,3731, 3781,3913,4033,4123,4371,4641,4681,5565,6045,6169, 6191,6697,7161]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)