A068537 Numbers which can be written as the sum of 2 like powers (x^n + y^n; n>1 & x,y>0).

2, 5, 8, 9, 10, 13, 16, 17, 18, 20, 25, 26, 28, 29, 32, 33, 34, 35, 37, 40, 41, 45, 50, 52, 53, 54, 58, 61, 64, 65, 68, 72, 73, 74, 80, 82, 85, 89, 90, 91, 97, 98, 100, 101, 104, 106, 109, 113, 116, 117, 122, 125, 126, 128, 129, 130, 133, 136, 137, 145, 146

Offset: 1

Author

Shawn Schafer (coolrelish(AT)hotmail.com), Mar 22 2002

Keywords

• nonn

Examples

			2 = 1^2 + 1^2; 5 = 1^2 + 2^2; 8 = 2^2 + 2^2; 9 = 1^3 + 2^3; 10 = 1^2 + 3^2; 13 = 2^2 + 3^2; 16 = 2^3 + 2^3; 17 = 1^2 + 4^2; ..... 33 = 1^5 + 2^5; etc...
		

Crossrefs

Superset of A000404, A003325, A003336, A003347, A003358, A003369, A003380, A003391.

Extensions

More terms from Michel Marcus, Aug 07 2013

More terms from Sean A. Irvine, Feb 21 2024