

A006665


G.f.: { ( Product_{j=1..inf} (1x^j)  1 )/x }^24.
(Formerly M5156)


4



1, 24, 276, 2024, 10602, 41952, 128500, 303048, 517155, 463496, 609684, 3757992, 9340852, 14912280, 12957624, 8669712, 59707149, 132295080, 183499244, 131501856, 113698752, 575221744, 1111921752, 1363192680, 824406065, 889513752, 3638565960, 6404250248
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

0,2


REFERENCES

H. Gupta, On the coefficients of the powers of Dedekind's modular form, J. London Math. Soc., 39 (1964), 433440.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS

Table of n, a(n) for n=0..27.
H. Gupta, On the coefficients of the powers of Dedekind's modular form (annotated and scanned copy)


MAPLE

t1:=mul(1x^j, j=1..60); t2:=series(t11, x, 60); t3:=series((t2/x)^24, x, 60); seriestolist(%);


PROG

(PARI) a(n)=if(n<0, 0, polcoeff(((eta(x+x^2*O(x^n))1)/x)^24, n))


CROSSREFS

Sequence in context: A270846 A187048 A000915 * A010940 A045854 A014809
Adjacent sequences: A006662 A006663 A006664 * A006666 A006667 A006668


KEYWORD

sign


AUTHOR

N. J. A. Sloane.


EXTENSIONS

Entry revised Sep 11 2004


STATUS

approved



