A006687 Duodecimal primes: p = (x^12 + y^12 )/(x^4 + y^4 ). (Formerly M5418)

241, 5521, 6481, 51361, 346561, 380881, 390001, 1678321, 4332721, 4654801, 5576881, 12707521, 39336721, 41432641, 42942001, 99990001, 167948881, 184970641, 197063761, 205598881

Offset

1,1

References

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

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..20.

A. J. C. Cunningham, Binomial Factorisations, Vols. 1-9, Hodgson, London, 1923-1929. [Annotated scans of a few pages from Volumes 1 and 2]

Crossrefs

Sequence in context: A046948 A220056 A165383 * A060893 A165375 A183887

Adjacent sequences: A006684 A006685 A006686 * A006688 A006689 A006690

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved