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Search: id:A129938
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| A129938 |
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"Self-Fibonacci"; a(n) is the sum of the last nine terms. Sequence starts with 6,9,2,15,14,1,3,3,9 which are f,i,b,o,n,a,c,c,i if you consider a=1, b=2, c=3, ..., z=26. |
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| 6, 9, 2, 15, 14, 1, 3, 3, 9, 62, 118, 227, 452, 889, 1764, 3527, 7051, 14099, 28189, 56316, 112514, 224801, 449150, 897411, 1793058, 3582589, 7158127, 14302155, 28576121, 57095926, 114079338, 227933875, 455418600, 909939789, 1818086520
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Search "Self-Lucas" in the database for an equivalent sequence.
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MAPLE
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A129938 := proc(n) option remember ; if n <= 9 then op(n, [6, 9, 2, 15, 14, 1, 3, 3, 9]) ; else add(A129938(n-i), i=1..9) fi ; end: seq(A129938(n), n=1..50) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 02 2007
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CROSSREFS
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Cf. A129939.
Sequence in context: A072364 A087016 A010502 this_sequence A022698 A013707 A002162
Adjacent sequences: A129935 A129936 A129937 this_sequence A129939 A129940 A129941
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KEYWORD
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base,easy,nonn,word
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Jun 09 2007
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EXTENSIONS
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Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 02 2007
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