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A103329 Numbers n such that (1+i)^n - i is a Gaussian prime. +0
2
3, 4, 5, 8, 10, 16, 26, 29, 34, 73, 113, 122, 157, 178, 241, 353, 457, 997, 1042, 3041, 4562, 6434, 8506 (list; graph; listen)
OFFSET

1,1

COMMENT

Note that A027206 and A057429 treat Gaussian primes of a similar form. The remaining case, (1+i)^n + 1, is a Gaussian prime for n=1,2,3,4 only.

MATHEMATICA

Select[Range[10000], PrimeQ[(1+I)^# - I, GaussianIntegers->True]&]

CROSSREFS

Cf. A027206 ((1+i)^n + i is a Gaussian prime), A057429 ((1+i)^n - 1 is a Gaussian prime).

Sequence in context: A028288 A118250 A079136 this_sequence A080726 A101210 A047599

Adjacent sequences: A103326 A103327 A103328 this_sequence A103330 A103331 A103332

KEYWORD

nonn

AUTHOR

T. D. Noe (noe(AT)sspectra.com), Jan 31 2005

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


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