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A181348
Denominators of lower triangular matrix T:=log(F), with the matrix F:=A037027 (Fibonacci convolution matrix).
2
1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 3, 3, 2, 1, 1, 1, 15, 3, 1, 1, 1, 1, 1, 30, 15, 1, 3, 2, 1, 1, 1, 70, 15, 5, 3, 3, 1, 1, 1, 1, 105, 35, 10, 15, 3, 1, 2, 1, 1, 1, 7, 105, 70, 15, 3, 1, 3, 1, 1, 1, 1, 105, 7, 35, 35, 6, 5, 3, 3, 2, 1, 1, 1, 385, 105, 7, 105, 14, 5, 15, 3, 1, 1, 1, 1, 1, 3465
OFFSET
0,7
COMMENTS
The triangle of the numerators is given by A181347.
See the comments given in A181347.
FORMULA
a(n,m) = denominator((log F)(n,m)), with the Fibonacci lower triangular matrix F=A037027.
EXAMPLE
The triangle starts with the rows[1]; [1,1]; [1,1,1]; [2,1,1,1]; [3,1,1,1,1]; ...
The rational triangle T (with main diagonal elements 0) starts with the rows [0]; [1, 0]; [1, 2, 0]; [-1/2, 2, 3, 0]; [-1/3, -1, 3, 4, 0];...
CROSSREFS
Sequence in context: A175597 A309400 A294306 * A107682 A349703 A178239
KEYWORD
nonn,easy,tabl
AUTHOR
Wolfdieter Lang, Oct 15 2010
STATUS
approved