A103146 Primes that can be represented in the form | 2^m +/- 3^n |.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 59, 61, 67, 73, 79, 83, 89, 97, 101, 113, 127, 131, 137, 139, 179, 211, 227, 229, 239, 241, 251, 257, 269, 283, 307, 337

Offset: 1

Author

Lei Zhou, Jan 26 2005

Keywords

• nonn

Examples

			2 = 2^0 + 3^0;
47 = 2^7 - 3^4;
53 cannot be written as |2^m+/-3^n| up to m = 30 and n = 19.
		

Crossrefs

Cf. A004051. Complement of A007644.

Extensions

Edited and extended by Robert G. Wilson v, Jan 26 2005