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Search: id:A079062
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| A079062 |
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a(1) = 2; for n>1, a(n) = smallest prime p such that p - a(n-1) = a^b for some positive integers a,b > 1. |
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+0
1
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| 2, 11, 19, 23, 31, 47, 79, 83, 211, 227, 263, 271, 307, 311, 347, 379, 383, 419, 547, 563, 571, 587, 619, 683, 691, 727, 743, 751, 787, 823, 827, 859, 863, 991, 1091
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
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EXAMPLE
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Start with 2. 2 + 3^2 = 11 is a prime, and there is no smaller such prime, so 11 is the next number. 11 + 2^3 = 19 is a prime, and there is no smaller such prime, so 19 comes next, etc.
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CROSSREFS
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Sequence in context: A102343 A023173 A018443 this_sequence A038930 A019375 A078784
Adjacent sequences: A079059 A079060 A079061 this_sequence A079063 A079064 A079065
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KEYWORD
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nice,nonn
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AUTHOR
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Fabian Rothelius (fabian.rothelius(AT)telia.com), Feb 02 2003
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