OFFSET
1,6
COMMENTS
LINKS
G. C. Greubel, Rows n = 1..100 of triangle, flattened
FORMULA
An infinite lower triangular matrix with the Fibonacci sequence in the main diagonal and the rest zeros.
G.f.: -x*y/(-1+x*y+x^2*y^2). - R. J. Mathar, Aug 11 2015
EXAMPLE
First few rows of the triangle:
1;
0, 1;
0, 0, 2;
0, 0, 0, 3;
0, 0, 0, 0, 5;
0, 0, 0, 0, 0, 8;
MATHEMATICA
Flatten[Table[{Table[0, {n-1}], Fibonacci[n]}, {n, 15}]] (* Harvey P. Dale, Jan 11 2016 *)
PROG
(PARI) T(n, k)=if(k==n, fibonacci(n), 0); \\ G. C. Greubel, Jul 11 2019
(Magma) [k eq n select Fibonacci(n) else 0: k in [1..n], n in [1..15]]; // G. C. Greubel, Jul 11 2019
(Sage)
def T(n, k):
if (k==n): return fibonacci(n)
else: return 0
[[T(n, k) for k in (1..n)] for n in (1..15)] # G. C. Greubel, Jul 11 2019
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Jan 22 2007
STATUS
approved