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 A046110 Number of lattice points on circumference of a circle of radius (2n+1)/2 with center at (1/2,0). 2
 2, 2, 6, 2, 2, 2, 6, 6, 6, 2, 2, 2, 10, 2, 6, 2, 2, 6, 6, 6, 6, 2, 6, 2, 2, 6, 6, 6, 2, 2, 6, 2, 18, 2, 2, 2, 6, 10, 2, 2, 2, 2, 18, 6, 6, 6, 2, 6, 6, 2, 6, 2, 6, 2, 6, 6, 6, 6, 6, 6, 2, 6, 14, 2, 2, 2, 2, 6, 6, 2, 2, 6, 18, 2, 6, 2, 6, 6, 6, 6, 2, 2, 6, 2, 10, 2, 6, 10, 2, 2, 6, 6, 18, 6, 2, 2, 6, 18 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..97. Eric Weisstein's World of Mathematics, Circle Lattice Points. FORMULA a(n) = 4 * A046080(2*n+1) + 2. - Sean A. Irvine, Apr 02 2021 CROSSREFS Cf. A046109. Sequence in context: A077894 A053214 A077198 * A296091 A352892 A126889 Adjacent sequences: A046107 A046108 A046109 * A046111 A046112 A046113 KEYWORD nonn AUTHOR Eric W. Weisstein STATUS approved

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Last modified November 30 21:14 EST 2023. Contains 367462 sequences. (Running on oeis4.)