A066593 Primes which can be expressed as concatenation of powers of 2 and 0's.

2, 11, 41, 101, 181, 211, 241, 281, 401, 421, 641, 811, 821, 881, 1021, 1181, 1201, 1321, 1481, 1601, 1621, 1801, 1811, 2011, 2081, 2111, 2141, 2161, 2221, 2281, 2411, 2441, 2801, 3221, 4001, 4021, 4111, 4201, 4211, 4241, 4421, 4441, 4481

Offset: 1

Author

Amarnath Murthy, Dec 21 2001

Keywords

• base
• easy
• nonn

Examples

			1321 is a term as it is a concatenation of 1, 32 and 1 which are powers of 2.
		

Crossrefs

Cf. A066591, A066592.

Extensions

Corrected and extended by Christopher Lund (clund(AT)san.rr.com), Apr 14 2002