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Cubes of the form a^2 + b^3 with a, b > 0.
1

%I #8 Dec 03 2015 06:54:24

%S 512,1000,2744,21952,32768,35937,64000,175616,185193,274625,357911,

%T 373248,405224,474552,729000,1157625,1404928,1481544,2000376,2097152,

%U 2197000,2299968,2744000,3241792,3652264,3723875,4096000,5451776

%N Cubes of the form a^2 + b^3 with a, b > 0.

%F a(n) = A228946(n)^3. - _R. J. Mathar_, Dec 03 2015

%e 8^3 = a(0) = 512 = 169 + 343 = 13^2 + 7^3;

%e 10^3 = a(1) = 1000 = 784 + 216 = 28^2 + 6^3.

%Y Cf. A055394, A066647.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Dec 17 2001