A036706 a(n)=number of Gaussian integers z=a+bi satisfying n - 1/2 < |z| <= n + 1/2, a>0, b>=0.

0, 2, 3, 4, 8, 7, 10, 10, 12, 17, 14, 18, 17, 22, 22, 21, 28, 28, 28, 29, 28, 36, 35, 36, 36, 42, 41, 40, 46, 43, 50, 48, 47, 52, 56, 56, 57, 56, 62, 59, 66, 62, 66, 69, 66, 72, 69, 76, 76, 78, 79, 80, 86, 79, 84, 88, 85, 94, 84, 98, 95

Offset

0,2

Links

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

Index entries for Gaussian integers and primes

Crossrefs

a(n)=(1/4)*s(n) for n >= 1, where s=A036705.

Sequence in context: A210743 A210750 A036712 * A336785 A080739 A361665

Adjacent sequences: A036703 A036704 A036705 * A036707 A036708 A036709

Keyword

nonn

Author

Clark Kimberling

Status

approved