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A118492 Number of Gaussian primes with floor(abs(p)) = n. 0
1, 1, 2, 1, 1, 2, 3, 1, 2, 3, 2, 2, 3, 1, 3, 4, 3, 3, 4, 4, 3, 2, 4, 5, 4, 3, 5, 4, 4, 4, 6, 4, 6, 5, 5, 4, 5, 4, 3, 7, 7, 3, 8, 5, 6, 5, 9, 8, 5, 4, 8, 9, 6, 5, 7, 7, 6, 8, 8, 8, 7, 6, 8, 7, 9, 8, 8, 7, 8, 9, 6, 10, 8, 7, 11, 9, 6, 10, 13, 8, 10, 10, 8, 8, 10, 12, 10, 11, 11, 9, 10, 10, 11, 10, 11, 11 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..96.

Index entries for Gaussian integers and primes

FORMULA

a(n) = A077766(n) + 1 if n is 1 or a prime = 3 (mod 4), A077766(n) otherwise.

CROSSREFS

Cf. A077766.

Sequence in context: A112757 A219794 A286334 * A079246 A309014 A070990

Adjacent sequences:  A118489 A118490 A118491 * A118493 A118494 A118495

KEYWORD

easy,nonn

AUTHOR

Franklin T. Adams-Watters, May 05 2006

STATUS

approved

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Last modified September 25 22:09 EDT 2020. Contains 337345 sequences. (Running on oeis4.)