A066594 Primes which can be expressed as concatenation of powers of 3 and 0's.

3, 11, 13, 19, 31, 101, 103, 109, 113, 127, 131, 139, 181, 191, 193, 199, 271, 311, 313, 331, 811, 911, 919, 991, 1009, 1013, 1019, 1031, 1033, 1039, 1091, 1093, 1103, 1109, 1181, 1193, 1279, 1301, 1303, 1319, 1327, 1381, 1399, 1811, 1901, 1913, 1931

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Example

271 is a term as it is a concatenation of 27 and 1 which are powers of 3.

Crossrefs

Cf. A066591, A066592, A066593.

Sequence in context: A063621 A176870 A089152 * A329761 A167612 A299974

Adjacent sequences: A066591 A066592 A066593 * A066595 A066596 A066597

Keyword

base,easy,nonn

Author

Amarnath Murthy, Dec 21 2001

Extensions

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

Status

approved