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A254056
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Sum two last digits of the sequence to get next term, starting with 1,2.
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1
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1, 2, 3, 5, 8, 13, 4, 7, 11, 2, 3, 5, 8, 13, 4, 7, 11, 2, 3, 5, 8, 13, 4, 7, 11, 2, 3, 5, 8, 13, 4, 7, 11, 2, 3, 5, 8, 13, 4, 7, 11, 2, 3, 5, 8, 13, 4, 7, 11, 2, 3, 5, 8, 13, 4, 7, 11
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OFFSET
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1,2
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COMMENTS
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Start with {1,2}: 1,2,3,5,8,13,4,7,11,2,3,5,8,13,4,7,11,2,3,5,8,13,4,7,... period {11,2,3,5,8,13,4,7,}.
Sequences with any other pair of initial digits eventually merge with case {1,2} except for the case {4,5}: 4,5,9,14,5,9,14,5,9,14,... which has period {5,9,14}.
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LINKS
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Table of n, a(n) for n=1..57.
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MATHEMATICA
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a=1; b=2; s={a, b}; dd={a, b}; Do[a=dd[[-1]]+dd[[-2]]; AppendTo[s, a]; dd=Flatten[{dd, IntegerDigits[s]}], {20}]; s
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CROSSREFS
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Sequence in context: A135102 A214156 A078414 * A238948 A336716 A345097
Adjacent sequences: A254053 A254054 A254055 * A254057 A254058 A254059
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KEYWORD
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nonn,base
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AUTHOR
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Zak Seidov, Jan 24 2015
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STATUS
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approved
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