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Search: id:A070866
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| A070866 |
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Smallest prime such that the difference of successive terms is non-decreasing. |
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+0
2
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| 2, 3, 5, 7, 11, 17, 23, 29, 37, 47, 59, 71, 83, 97, 113, 131, 149, 167, 191, 223, 257, 293, 331, 373, 419, 467, 521, 577, 641, 709, 787, 877, 967, 1061, 1163, 1277, 1399, 1523, 1657, 1801, 1949, 2099, 2251, 2411, 2579, 2749, 2927, 3109, 3299, 3491, 3691, 3907
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(1)=2, a(2)=3, a(n) = A007918(2*a(n-1)-a(n-2)). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 08 2004
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PROGRAM
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(PARI) s=1; t=1; for(n=1, 100, s=s+t; while(isprime(s+t)==0, t++); print1(s+t, ", "))
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CROSSREFS
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Cf. A070865.
Adjacent sequences: A070863 A070864 A070865 this_sequence A070867 A070868 A070869
Sequence in context: A057751 A040046 A075551 this_sequence A040089 A113161 A038953
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 16 2002
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EXTENSIONS
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More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), May 20 2002
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