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Search: id:A082924
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| A082924 |
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For n prime, a(n) = n+1; for n even and > 2, a(n) = n/2; otherwise a(n) = 3*n. |
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+0
2
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| 3, 3, 4, 2, 6, 3, 8, 4, 27, 5, 12, 6, 14, 7, 45, 8, 18, 9, 20, 10, 63, 11, 24, 12, 75, 13, 81, 14, 30, 15, 32, 16, 99, 17, 105, 18, 38, 19, 117, 20, 42, 21, 44, 22, 135, 23, 48, 24, 147, 25, 153, 26, 54, 27, 165, 28, 171, 29, 60, 30, 62, 31, 189, 32, 195, 33, 68, 34, 207, 35, 72
(list; graph; listen)
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OFFSET
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1,1
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PROGRAM
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(PARI) crazy1(n) = { for(x=1, n, if(x%2==0, y=x/2, y=x*3); if(isprime(x), y=x+1); print1(y" ") ) }
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CROSSREFS
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Adjacent sequences: A082921 A082922 A082923 this_sequence A082925 A082926 A082927
Sequence in context: A062366 A057937 A080216 this_sequence A023647 A082978 A005536
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KEYWORD
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easy,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), May 26 2003
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EXTENSIONS
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Edited by David R. Wasserman, (wasserma(AT)spawar.navy.mil), Oct 21 2003
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