id:A036694 - OEIS Search Results

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

+0
2

0, 1, 2, 4, 5, 8, 8, 9, 12, 14, 16, 15, 16, 22, 21, 24, 22, 26, 27, 30, 32, 29, 36, 34, 35, 42, 40, 42, 41, 44, 48, 45, 52, 50, 54, 57, 50, 60, 55, 66, 62, 59, 66, 66, 72, 71, 66, 74, 73, 78, 80, 82, 81, 78, 84, 83, 92, 86, 92, 89, 94 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Index entries for Gaussian integers and primes`
	CROSSREFS	`a(n)=(1/4)*s(n) for n >= 1, where s=A036693.` `Sequence in context: A057064 A088580 A036699 this_sequence A085624 A061884 A029935` `Adjacent sequences: A036691 A036692 A036693 this_sequence A036695 A036696 A036697`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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