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1, 2, 1, 3, 2, 1, 5, 5, 2, 1, 8, 9, 7, 1, 1, 13, 19, 13, 9, 2, 1, 21, 33, 34, 17, 11, 2, 1, 34, 65, 61, 53, 21, 13, 2, 1, 55, 111, 141, 97, 76, 25, 25, 2, 1, 89, 210, 248, 257, 141, 103, 29, 17, 2, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Left border = Fibonacci numbers. Row sums = A131246. A131243 is the square of the reflection triangle to A046854: A065941. Row sums of A131243 = (1, 3, 6, 14, 30, 67, 146, 322, 705, 1549,...).
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LINKS
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Table of n, a(n) for n=0..54.
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FORMULA
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A046854^2 as an infinite lower triangular matrix.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
3, 2, 1;
5, 5, 2, 1;
8, 9, 7, 2, 1;
13, 19, 13, 9, 2, 1;
21, 33, 34, 17, 11, 2, 1;
...
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CROSSREFS
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Cf. A131243, A131244, A131246, A046854, A065941.
Sequence in context: A131243 A038497 A091355 * A179927 A104446 A131345
Adjacent sequences: A131242 A131243 A131244 * A131246 A131247 A131248
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Jun 22 2007
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STATUS
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approved
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