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A006687 Duodecimal primes: p = (x^12 + y^12 )/(x^4 + y^4 ).
(Formerly M5418)
+0
1
241, 5521, 6481, 51361, 346561, 380881, 390001, 1678321, 4332721, 4654801, 5576881, 12707521, 39336721, 41432641, 42942001, 99990001, 167948881, 184970641, 197063761, 205598881 (list; graph; listen)
OFFSET

1,1

REFERENCES

A. J. C. Cunningham, Binomial Factorisations, Vols. 1-9, Hodgson, London, 1923-1929; see Vol. 1, pp. 245-259.

CROSSREFS

Sequence in context: A142452 A119596 A046948 this_sequence A060893 A007205 A008349

Adjacent sequences: A006684 A006685 A006686 this_sequence A006688 A006689 A006690

KEYWORD

nonn

AUTHOR

njas

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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