A036703 a(n)=number of Gaussian integers z=a+bi satisfying n-1<|z|<=n, a>=0, 0<=b<=a.

1, 1, 2, 3, 3, 5, 5, 5, 7, 8, 9, 8, 9, 12, 11, 13, 12, 14, 14, 16, 17, 15, 19, 18, 18, 22, 21, 22, 21, 23, 25, 23, 27, 26, 28, 29, 26, 31, 28, 34, 32, 30, 34, 34, 37, 36, 34, 38, 37, 40, 41, 42, 41, 40, 43, 42, 47, 44, 47, 45, 48

Offset

0,3

Links

Table of n, a(n) for n=0..60.

Index entries for Gaussian integers and primes

Crossrefs

Sequence in context: A302607 A098567 A086162 * A306253 A117629 A377173

Adjacent sequences: A036700 A036701 A036702 * A036704 A036705 A036706

Keyword

nonn

Author

Clark Kimberling

Status

approved