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 A071610 Integer radii of the spheres around (0,0,0) that contain record numbers of lattice points. 2
 1, 2, 3, 3, 4, 6, 7, 9, 10, 11, 13, 14, 17, 18, 19, 22, 25, 26, 27, 29, 30, 31, 34, 34, 34, 36, 37, 41, 43, 44, 47, 52, 55, 56, 59, 59, 60, 66, 66, 70, 74, 75, 80, 86, 89, 90, 91, 94, 100, 103, 104, 109, 115, 115, 119, 125, 134, 141, 146, 153, 153, 157, 168, 171 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Multiple entries indicate that there is more than one covered sphere with an increase in the number of hit lattice points within a radius difference of 1. LINKS Table of n, a(n) for n=1..64. FORMULA a(n) = ceiling(A071609(n)^(1/2)). CROSSREFS Cf. A071342, A071343, A071344, A071609, A071611. Sequence in context: A101195 A036018 A123552 * A358993 A198726 A117275 Adjacent sequences: A071607 A071608 A071609 * A071611 A071612 A071613 KEYWORD nonn AUTHOR Hugo Pfoertner, May 25 2002 STATUS approved

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Last modified June 2 00:00 EDT 2023. Contains 363078 sequences. (Running on oeis4.)