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A055683 Number of Gaussian primes (in the first half quadrant; i.e. 0 to 45 degrees) with real part <=10^n. 3
15, 756, 48979, 3612920, 286272005 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Mark A. Herkommer, "Number Theory, A Programmer's Guide," McGraw-Hill, New York, 1999, page 269.

LINKS

Table of n, a(n) for n=1..5.

Index entries for Gaussian integers and primes

Index entries for sequences related to numbers of primes in various ranges

MATHEMATICA

c=0; Do[ If[ PrimeQ[ j + k*I, GaussianIntegers -> True], c++ ], {j, 0, 10^n-1}, {k, 0, j} ]; c

CROSSREFS

Sequence in context: A117812 A034941 A199227 * A196465 A177598 A116094

Adjacent sequences:  A055680 A055681 A055682 * A055684 A055685 A055686

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Jun 09 2000

STATUS

approved

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Last modified November 21 14:12 EST 2014. Contains 249779 sequences.