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A232267 Least k>=0 such that n^3 + k^2 is a square. 1
0, 0, 1, 3, 0, 10, 3, 21, 8, 0, 15, 55, 6, 78, 35, 15, 0, 136, 27, 171, 10, 42, 99, 253, 10, 0, 143, 81, 42, 406, 15, 465, 64, 88, 255, 35, 0, 666, 323, 91, 3, 820, 21, 903, 55, 66, 483, 1081, 48, 0, 125, 85, 39, 1378, 81, 165, 28, 76, 783, 1711, 15, 1830, 899, 63 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

T. D. Noe, Table of n, a(n) for n = 0..1000

MATHEMATICA

Table[k = 0; While[! IntegerQ[Sqrt[n^3 + k^2]], k++]; k, {n, 0, 100}] (* T. D. Noe, Nov 22 2013 *)

CROSSREFS

Cf. A000290, A000578, A232175.

Sequence in context: A095364 A094052 A161678 * A293939 A119957 A028852

Adjacent sequences:  A232264 A232265 A232266 * A232268 A232269 A232270

KEYWORD

nonn

AUTHOR

Alex Ratushnyak, Nov 21 2013

STATUS

approved

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Last modified March 26 06:58 EDT 2019. Contains 321481 sequences. (Running on oeis4.)