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A058771 n * (1+i)^n - 1 is a Gaussian prime. 0
2, 4, 8, 12, 25, 30, 47, 52, 61, 100, 108, 142, 150, 167, 198, 387, 407, 648, 782, 858, 1973, 2940, 2964, 3638, 4433, 4921, 14072, 27192, 37171, 41604, 48470, 72780 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..32.

Index entries for Gaussian integers and primes

MATHEMATICA

Do[ If[ PrimeQ[ n * (1 + I)^n - 1], Print[n] ], {n, 1, 5000} ]

CROSSREFS

Sequence in context: A097942 A004653 A115386 * A036493 A082906 A204088

Adjacent sequences:  A058768 A058769 A058770 * A058772 A058773 A058774

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Jan 02 2001

STATUS

approved

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Last modified February 23 13:19 EST 2018. Contains 299581 sequences. (Running on oeis4.)