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 A090718 Let p run through the primes; write p in base 10 and then interpret it in base 128 getting a number q; if q is prime then adjoin q to the sequence. 1
 2, 3, 5, 7, 131, 137, 643, 769, 1033, 17159, 17539, 33161, 33409, 33923, 49537, 49801, 49927, 50051, 50311, 65537, 65921, 65929, 66697, 81929, 82567, 98689, 98947, 98953, 114689, 132103, 148483, 148609, 2097289, 2097539, 2097673, 2098183 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 LINKS Harvey P. Dale, Table of n, a(n) for n = 2..1000 EXAMPLE 2 -> 2, prime, so add 2 to the sequence; 11 -> 129, not prime, so 129 is not added to the sequence; 13 -> 131, prime, so add 131 to the sequence; etc. MATHEMATICA Select[FromDigits[IntegerDigits[#], 128]&/@Prime[Range[500]], PrimeQ] (* Harvey P. Dale, Mar 30 2012 *) CROSSREFS Sequence in context: A067173 A357262 A340113 * A167853 A117703 A039944 Adjacent sequences: A090715 A090716 A090717 * A090719 A090720 A090721 KEYWORD base,nonn AUTHOR Cino Hilliard, Jan 18 2004 STATUS approved

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Last modified August 2 19:53 EDT 2024. Contains 374875 sequences. (Running on oeis4.)