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Search: id:A137467
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| A137467 |
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For n >=3, n = p(i)+p(j)-p(k), p(i),p(j),p(k) distinct primes and i+j-k=minimum. Then a(n) = i + j - k. |
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1
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OFFSET
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3,2
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COMMENT
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Is it true for all n : n = p(i)+ p(j)-p(k) ?
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FORMULA
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For n >=3, n = p(i)+p(j)-p(k), p(i),p(j),p(k) distinct primes and i+j-k=minimum. Then a(n) = i + j - k
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EXAMPLE
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n=6; 6=p(1)+p(5)-p(4) =2+11-7; a(6)= 1+5-4 = 2
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CROSSREFS
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Cf. A000040, A038134.
Adjacent sequences: A137464 A137465 A137466 this_sequence A137468 A137469 A137470
Sequence in context: A102351 A078173 A129759 this_sequence A078627 A106370 A128630
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KEYWORD
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easy,nonn,uned
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AUTHOR
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Ctibor O. Zizka (ctibor.zizka(AT)seznam.cz), Apr 19 2008
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