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Search: id:A078734
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| A078734 |
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Start with 1,2, concatenate 2^k previous terms and change last term as follows : 1->2, 2->3, 3->1. |
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+0
1
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| 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 1
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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Sum(k=1, n, a(k))/n -> 1.57.....
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EXAMPLE
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Concatenate the 2 first terms 1,2 -> 1,2,1,2 change 2->3 gives the 4 first terms : 1,2,1,3. Concatenate those 4 first terms ->1,2,1,3,1,2,1,3 change 3->1 gives the 8 first terms : 1,2,1,3,1,2,1,1
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CROSSREFS
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Cf. A056832, A035263.
Sequence in context: A035175 A106406 A092412 this_sequence A028293 A092782 A089242
Adjacent sequences: A078731 A078732 A078733 this_sequence A078735 A078736 A078737
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 21 2002
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