A265625 Differences between two positive cubes in more than two ways.

3367, 26936, 90909, 152551, 205352, 215488, 420875, 622232, 625177, 727272, 754299, 757701, 845208, 1147627, 1154881, 1220408, 1642816, 1723904, 2113921, 2454543, 2741256, 3056473, 3367000, 3442887, 3492125, 4118877, 4481477, 4977856, 5001416, 5544504

Offset: 1

Author

Arkadiusz Wesolowski, Dec 10 2015

Keywords

• nonn

Examples

			3367 = 15^3 - 2^3 = 16^3 - 9^3 = 34^3 - 33^3.
		

Links

• Giovanni Resta, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A000578, A181123, A014439 (exactly one way), A034179 (more than one way), A014440 (exactly two ways), A014441 (exactly three ways), A333376, A333377.

Programs

Mathematica

r = 5544504; p = 3; Rest@Sort@Drop[Flatten@Select[Tally@Reap[Do[n = i^p - j^p; If[n <= r, Sow[n]], {i, Ceiling[(r/p)^(1/(p - 1))]}, {j, i}]][[2, 1]], #[[2]] > 2 &], {2, -1, 2}]