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Search: id:A001129
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| A001129 |
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Iccanobif numbers: reverse digits of two previous terms and add. |
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+0
28
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| 0, 1, 1, 2, 3, 5, 8, 13, 39, 124, 514, 836, 1053, 4139, 12815, 61135, 104937, 792517, 1454698, 9679838, 17354310, 9735140, 1760750, 986050, 621360, 113815, 581437, 1252496, 7676706, 13019288, 94367798, 178067380
(list; graph; listen)
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OFFSET
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0,4
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..300
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MATHEMATICA
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Clear[ BIF ]; BIF[ 0 ]=0; BIF[ 1 ]=1; BIF[ n_Integer ] := BIF[ n ]=Plus@@Map[ Plus@@(#*Array[ 10^#&, Length[ # ], 0 ])&, Map[ IntegerDigits, {BIF[ n-1 ], BIF[ n-2 ]} ] ]; Array[ BIF, 40, 0 ]
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CROSSREFS
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Cf. A000045, A001129, A014258-A014260.
See A000045 for the Fibonacci numbers.
Sequence in context: A158083 A042163 A014259 this_sequence A041957 A096095 A041101
Adjacent sequences: A001126 A001127 A001128 this_sequence A001130 A001131 A001132
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KEYWORD
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nonn,base,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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