A163393 Numbers n such that n^2 can be represented as sum of (at least two) consecutive cubes and n is not a triangular number.

204, 312, 315, 323, 504, 588, 720, 2079, 2170, 2940, 4472, 4914, 5187, 5880, 5984, 6630, 7497, 8721, 9360, 10695, 11024, 13104, 14160, 16296, 16380, 18333, 18810, 22022, 22330, 23247, 31248, 36729, 42021, 43065, 43309, 49665

Offset: 1

Author

Gaurav Kumar, Jul 26 2009

Keywords

• nonn

Comments

A subsequence of A126200. [R. J. Mathar, Aug 02 2009]

A supersequence of A238099. - N. J. A. Sloane, Feb 25 2014

Examples

			a(1) = 204 as 204^2 = 41616 = 23^3 + 24^3 + 25^3.
		

References

• H. E. Dudeney, Amusements in Mathematics, Nelson, London, 1917, Problem 135.

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..500

Crossrefs

Cf. A126200, A238099.

Extensions

8778 and 10296 removed by Chai Wah Wu, Mar 10 2016