

A078997


Nonzero coefficients of the polynomials in the denominator of the generating function x/(1xx^2) for the Fibonacci sequence and its successive derivatives starting with the highest power of x.


0



1, 1, 1, 1, 2, 1, 2, 1, 1, 3, 5, 3, 1, 1, 4, 2, 8, 5, 8, 2, 4, 1, 1, 5, 5, 10, 15, 11, 15, 10, 5, 5, 1, 1, 6, 9, 10, 30, 6, 41, 6, 30, 10, 9, 6, 1, 1, 7, 14, 7, 49, 14, 77, 29, 77, 14, 49, 7, 14, 7, 1, 1, 8, 20, 70, 56, 112, 120, 125, 120, 112, 56, 70, 20, 8, 1
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OFFSET

0,5


LINKS

Table of n, a(n) for n=0..75.


FORMULA

f(x)^(n), for n=0, 1, 2, 3, 4, . . ., where f(x)= x/(1xx^2)


EXAMPLE

The nonzero coefficients of the first 3 polynomials in the denominator starting with the highest power of x: 1,1,1; 1,2,1,2,1; 1,3,5,3,1; ...


CROSSREFS

Sequence in context: A205810 A139368 A134303 * A024680 A083531 A003417
Adjacent sequences: A078994 A078995 A078996 * A078998 A078999 A079000


KEYWORD

sign,tabf,less


AUTHOR

Mohammad K. Azarian, Jan 12 2003


STATUS

approved



