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Search: id:A147522
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| A147522 |
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Minimal number such that a(n)*41^n is of the form x^2 + x + 41 |
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+0
3
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OFFSET
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1,3
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COMMENT
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For values x see A147520 For x^2 + x + 41 values see A147521
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MATHEMATICA
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a = {}; Do[x = 0; While[Mod[x^2 + x + 41, 41^n] != 0, x++ ]; AppendTo[a, (x^2 + x + 41)/41^n}]; Print[{n, x, x^2 + x + 41, (x^2 + x + 41)/41^n}], {n, 1, 6}]; a (*Artur Jasinski*)
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CROSSREFS
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A145292, A145293, A145294, A147520, A147521, A147522
Sequence in context: A060485 A081795 A091748 this_sequence A155477 A125828 A116139
Adjacent sequences: A147519 A147520 A147521 this_sequence A147523 A147524 A147525
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Nov 06 2008
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