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Search: id:A007249
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| A007249 |
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McKay-Thompson series of class 4D for Monster. Unsigned sequence is McKay-Thompson series of class 8B for Monster. (Formerly M4846)
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+0 1
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| 1, -12, 66, -232, 639, -1596, 3774, -8328, 17283, -34520, 66882, -125568, 229244, -409236, 716412, -1231048, 2079237, -3459264, 5677832, -9200232, 14729592, -23325752, 36567222, -56778888, 87369483, -133315692
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OFFSET
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0,2
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REFERENCES
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J. H. Conway and S. P. Norton, Monstrous Moonshine, Bull. Lond. Math. Soc. 11 (1979) 308-339.
D. Ford, J. McKay and S. P. Norton, ``More on replicable functions,'' Commun. Algebra 22, No. 13, 5175-5193 (1994).
McKay, John; Strauss, Hubertus. The q-series of monstrous moonshine and the decomposition of the head characters. Comm. Algebra 18 (1990), no. 1, 253-278.
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FORMULA
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Expansion of Product (1+q^m)^-12; m=1..inf.
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EXAMPLE
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T4D = 1/q - 12*q + 66*q^3 - 232*q^5 + 639*q^7 - 1596*q^9 + 3774*q^11 - ...
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CROSSREFS
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Adjacent sequences: A007246 A007247 A007248 this_sequence A007250 A007251 A007252
Sequence in context: A080559 A045853 A014787 this_sequence A112142 A114243 A000972
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KEYWORD
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sign
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AUTHOR
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njas
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