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A198831 Successive records in maximal positive distance d = x^3 - y^2. 0

%I

%S 0,4,20,28,39,47,81,135,152,207,216,270,496,546,615,732,832,1148,1208,

%T 1343,1391,1541,1750,2000,2260,2548,2575,2825,3679,3807,4220,4604,

%U 5076,5508,5835,5859,6291,7538,7656,8188,8423,8712,8964,12092,12205,12511,12926

%N Successive records in maximal positive distance d = x^3 - y^2.

%C Successive records in A077116.

%H J. Calvo, J. Herranz, G. Saez, <a href="https://doi.org/10.1090/S0025-5718-09-02240-6">A new algorithm to search for small nonzero |x^3 - y^2| values</a>, Math. Comp. 78 (2009), 2435-2444.

%t aa = {}; bb = {}; max = -1; Do[kk = x^3 - Floor[x^(3/2)]^2; If[kk > max, AppendTo[aa, kk]; AppendTo[bb, x]; max = kk], {x, 1, 10000}]; aa

%Y Cf. A077116, A078933, A179107, A179108, A179109.

%K nonn

%O 1,2

%A _Artur Jasinski_, Oct 30 2011

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Last modified January 25 04:27 EST 2021. Contains 340416 sequences. (Running on oeis4.)