|
|
A279310
|
|
Numerators of coefficients in expansion of (cos x)/(1 - x - x^2).
|
|
2
|
|
|
1, 1, 3, 5, 97, 157, 7619, 12329, 124121, 1807513, 263214179, 425890349, 90961797697, 29435864753, 1313384366851, 70128321031313, 2475709202997731, 44063598280490161, 21816698251120351811, 35300159324950341077, 7234801959635621099147, 2065792142493411347453
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
EXAMPLE
|
(1/1) + (1/1)x + (3/2)x^2 + (5/2)x^3 + ... ; 1/1, 1/1, 3/2, 5/2, ... = A279310/A279311.
|
|
MATHEMATICA
|
z = 30; t = CoefficientList[Series[Cos[x]/(1 - x - x^2), {x, 0, z}], x];
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy,frac
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|