login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A167730 Cubes that becomes a prime number when prefixed with a 6. 1
1, 343, 1331, 117649, 389017, 571787, 704969, 1442897, 1685159, 2352637, 2685619, 4826809, 5929741, 6539203, 6967871, 9393931, 15069223, 15813251, 16194277, 22665187, 25153757, 35611289, 49430863, 58863869, 59776471, 62570773 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Subsequence of cubes of A032669. - Michel Marcus, Jun 22 2016

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[1, 500000, 2]^3, PrimeQ[FromDigits[Join[{6}, IntegerDigits[#]]]] &] (* G. C. Greubel, Jun 21 2016 *)

CROSSREFS

Cf. A032669.

Sequence in context: A052084 A075546 A167733 * A250138 A016923 A016983

Adjacent sequences:  A167727 A167728 A167729 * A167731 A167732 A167733

KEYWORD

base,nonn

AUTHOR

Claudio Meller, Nov 10 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 17 09:04 EDT 2019. Contains 327128 sequences. (Running on oeis4.)