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Search: id:A112346
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| A112346 |
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Number of terms in s(n), where s(n) is defined in A114482. |
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6
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| 1, 2, 5, 8, 17, 26, 53, 80, 161, 242, 485, 728, 1457, 2186, 4373, 6560, 13121, 19682, 39365, 59048, 118097, 177146, 354293, 531440, 1062881, 1594322, 3188645, 4782968, 9565937, 14348906, 28697813, 43046720, 86093441, 129140162
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The initial terms suggest that this sequence is the same as A062318. Is that a coincidence or a theorem? - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 07 2008
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EXAMPLE
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As defined in A114482, s(4) = {1,0,1,0,0,1,0,0}; so a(4) = 8.
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MAPLE
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a[0]:=1:a[1]:=2:for n from 2 to 100 do a[n]:=3*a[n-2]+2 od: seq(a[n], n=0..33); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 17 2008
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CROSSREFS
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Cf. A114482, A114483, A112361.
Adjacent sequences: A112343 A112344 A112345 this_sequence A112347 A112348 A112349
Sequence in context: A103041 A006827 A062318 this_sequence A034445 A054754 A054755
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KEYWORD
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easy,nonn
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AUTHOR
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Leroy Quet (qq-quet(AT)mindspring.com), Nov 30 2005
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EXTENSIONS
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Corrected and extended by Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), Jul 27 2006
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