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A066595 Primes which can be expressed as concatenation of powers of 4 and 0's. 0
11, 41, 101, 401, 641, 1601, 4001, 4111, 4441, 10111, 10141, 11161, 11411, 14011, 14401, 14411, 16001, 16111, 16141, 16411, 25601, 40111, 40961, 41011, 41141, 41161, 41411, 41611, 41641, 44041, 44101, 44111 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
641 is a term as it is a concatenation of 64 and 1 which are powers of 4.
CROSSREFS
Sequence in context: A132208 A233434 A261538 * A260266 A195117 A027086
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

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)