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A002290
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Expansion of |(eta(q^2)^6/(eta(q)*eta(q^4)^2))^4| in powers of q.
(Formerly M3403 N1376)
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0
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1, 4, 10, 56, 29, 332, 30, 1064, 302, 1940, 288, 1960, 1071, 1192, 1938, 736, 2000, 1488, 5014, 7288, 4170, 10644, 8482, 11184, 12647, 15544, 15590, 9992, 25424, 4604, 26610, 2472, 28972, 3140, 26464, 39416, 31338, 24764, 25248, 16176, 48871, 67540, 60364, 29256, 50874, 12656
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OFFSET
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0,2
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REFERENCES
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J. W. L. Glaisher, On the representation of a number as sum of 2, 4, 6, 8, 10, and 12 squares, Quart. J. Math. 38 (1907), 1-62 (see p. 56).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Table of n, a(n) for n=0..45.
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FORMULA
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a(n) = |A225543(n)|. - Michael Somos, May 17 2013
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PROG
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(PARI)
N = 66; q = 'q + O('q^N);
sgf = (eta(q^2)^6/(eta(q)*eta(q^4)^2))^4
v = abs( Vec(sgf) )
\\ Joerg Arndt, May 17 2013
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CROSSREFS
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Cf. A225543.
Sequence in context: A096423 A013589 A225543 * A222569 A104363 A092190
Adjacent sequences: A002287 A002288 A002289 * A002291 A002292 A002293
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KEYWORD
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nonn,changed
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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More terms by Joerg Arndt, May 17 2013
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STATUS
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approved
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