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Search: id:A133446
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| A133446 |
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Decimal expansion of the number c such that the solution to the differential functional equation f'(x) = f(x-1) + f(x-2) is c^x. |
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+0
1
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OFFSET
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1,1
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COMMENT
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This is related to phi, as phi^x is the solution to f(x) = f(x-1) + f(x-2).
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FORMULA
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f(x-1) + f(x-2) = f'(x), f(x) = 2.058295608^x
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MAPLE
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solve(ln(x)*x^2=x+1)
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CROSSREFS
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Sequence in context: A021490 A084258 A111352 this_sequence A011122 A085009 A011435
Adjacent sequences: A133443 A133444 A133445 this_sequence A133447 A133448 A133449
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KEYWORD
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cons,nonn
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AUTHOR
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Cameron Davidson-Pilon (see_dee_pee(AT)hotmail.com), Nov 26 2007
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