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Search: id:A126906
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| A126906 |
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Smallest k such that 1 + k^(2*n+1)+Sum{j=1..n} k^(2*j) is prime. |
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+0
1
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| 1, 2, 1, 2, 1, 10, 17, 2, 1, 2, 1, 94, 122, 22, 1
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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1 is a term if and only if number of terms in polynomial is prime
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CROSSREFS
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Cf. A124151, A119863, A049407, A124175 A124176 A124177, A124178, A124179, A124180, A124181, A126908-A126916.
Adjacent sequences: A126903 A126904 A126905 this_sequence A126907 A126908 A126909
Sequence in context: A071559 A071560 A097749 this_sequence A134304 A134569 A072883
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinki (grafix(AT)csl.pl), Dec 31 2006
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