A181350 Denominators of row sums of the triangle (lower triangular matrix) log(F) with F:=A037027 (Fibonacci convolution matrix).
1, 1, 1, 2, 3, 2, 15, 5, 210, 105, 210, 35, 2310, 693, 6006, 36036, 2145, 90090, 765765, 1531530, 106590, 1711710, 5819814, 5290740, 334639305, 30421755, 334639305, 9561123, 74364290, 39369330
Offset: 0
Examples
The signed rational sequence A181349(n)/A181350(n) starts with [0, 1, 3, 9/2, 17/3, 15/2, 142/15, 52/5, 2371/210, 1481/105, 3673/210, 576/35, 23341/2310, 10085/693, 344857/6006, 3298871/36036, -296356/2145 ,...].
Formula
a(n) = denominator(sum(T[n,m], m=0..n)), with the matrix T:=log(F), where F:=A037027. Offset of the lower triangular matrix T is [0,0].
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