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Search: id:A063465
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| A063465 |
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omega(n) = omega(n+3), where omega(n) is the number of distinct prime divisors of n. |
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+0
1
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| 2, 4, 5, 8, 12, 13, 15, 16, 18, 21, 29, 33, 35, 36, 45, 48, 51, 52, 54, 55, 61, 62, 64, 65, 69, 72, 74, 77, 82, 85, 88, 91, 92, 93, 95, 96, 102, 108, 112, 115, 116, 119, 125, 128, 133, 141, 142, 143, 144, 145, 152, 155, 158, 159, 161, 165, 172, 175, 184, 185, 189
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROGRAM
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(PARI) j=[]; for(n=1, 350, if(omega(n)==omega(n+3), j=concat(j, n))); j
(PARI) { n=0; for (m=1, 10^9, if (omega(m) == omega(m + 3), write("b063465.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 22 2009]
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CROSSREFS
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Sequence in context: A007379 A080588 A032850 this_sequence A035001 A092268 A069259
Adjacent sequences: A063462 A063463 A063464 this_sequence A063466 A063467 A063468
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jul 26 2001
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