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A080168 Primes beginning and ending with '11' in binary representation. 2
3, 7, 31, 59, 103, 107, 127, 199, 211, 223, 227, 239, 251, 419, 431, 439, 443, 463, 467, 479, 487, 491, 499, 503, 787, 811, 823, 827, 839, 859, 863, 883, 887, 907, 911, 919, 947, 967, 971, 983, 991, 1019, 1543, 1559, 1567, 1571, 1579, 1583, 1607, 1619, 1627 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Intersection of A002145 and A080166.
LINKS
EXAMPLE
A000040(17)=59 -> '111011' therefore 59 is a term.
MATHEMATICA
Select[Prime[Range[300]], Take[IntegerDigits[#, 2], 2]==Take[ IntegerDigits[ #, 2], -2]=={1, 1}&] (* Harvey P. Dale, Jul 28 2021 *)
CROSSREFS
Sequence in context: A145479 A077315 A365423 * A183075 A292890 A042131
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Feb 04 2003
STATUS
approved

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Last modified June 13 22:21 EDT 2024. Contains 373391 sequences. (Running on oeis4.)