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Search: id:A082555
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| A082555 |
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Primes whose base 3 representation does not contain a 0. |
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+0
1
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| 2, 5, 7, 13, 17, 23, 41, 43, 53, 67, 71, 79, 131, 149, 151, 157, 211, 229, 233, 239, 241, 367, 373, 401, 449, 457, 607, 617, 619, 643, 647, 691, 701, 719, 727, 1093, 1097, 1103, 1123, 1129, 1187, 1201, 1213, 1367, 1373, 1427, 1429, 1447, 1453, 1823, 1831, 1861
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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41 = 1112 (base 3), which contains no 0.
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PROGRAM
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(PARI) dec3(s)=while(s>0, if(s%3==0, return(0), s=floor(s/3))); return(1) forprime(i=1, 20000, if(dec3(i)==1, print1(i, ", "), ))
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CROSSREFS
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Sequence in context: A023204 A045352 A107426 this_sequence A092059 A023229 A045353
Adjacent sequences: A082552 A082553 A082554 this_sequence A082556 A082557 A082558
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KEYWORD
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base,nonn
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AUTHOR
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Randy L. Ekl (Randy.Ekl(AT)Motorola.com), May 03 2003
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