A363714 Numbers that are the sum of a positive square and a positive fourth power in more than one way.

17, 65, 82, 97, 145, 257, 272, 305, 337, 377, 442, 481, 545, 626, 641, 706, 785, 881, 1025, 1040, 1105, 1297, 1312, 1345, 1377, 1525, 1552, 1780, 1850, 1921, 1937, 2225, 2320, 2385, 2402, 2417, 2465, 2482, 2501, 2657, 2977, 3026, 3505, 3697, 3737, 3845, 4097, 4100, 4105, 4112, 4177, 4225, 4321

Offset: 1

Author

Seiichi Manyama, Jun 17 2023

Keywords

• nonn

Comments

Numbers k such that A363711(k) > 1.

Examples

			a(1) = 17 = 1^2 + 2^4 = 4^2 + 1^4.
		

Crossrefs

Cf. A111925, A363711.