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Search: id:A014260
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| A014260 |
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Iccanobif numbers: add a(n-1) to reversal of a(n-2). |
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+0
27
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| 0, 1, 1, 2, 3, 5, 8, 13, 21, 52, 64, 89, 135, 233, 764, 1096, 1563, 8464, 12115, 16763, 67884, 104645, 153521, 699922, 825273, 1055269, 1427797, 11053298, 19030539, 108265550, 201768641, 257331442, 404198544, 648332296, 1094223700
(list; graph; listen)
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OFFSET
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0,4
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MATHEMATICA
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Clear[ Bif ]; Bif[ 0 ]=0; Bif[ 1 ]=1; Bif[ n_Integer ] := Bif[ n ]=Bif[ n-1 ]+Plus@@(IntegerDigits[ Bif[ n-2 ], 10 ]//(#*Array[ 10^#&, Length[ # ], 0 ])&); Array[ Bif, 40, 0 ]
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CROSSREFS
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Cf. A000045, A001129, A014258, A014259.
See A000045 for the Fibonacci numbers.
Sequence in context: A050762 A005170 A024322 this_sequence A067517 A042339 A137574
Adjacent sequences: A014257 A014258 A014259 this_sequence A014261 A014262 A014263
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KEYWORD
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base,nonn,easy
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AUTHOR
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njas
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