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A153140
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Coefficients of the second order mock theta function B(q).
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0
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1, 2, 4, 6, 9, 14, 20, 28, 40, 54, 72, 98, 129, 168, 220, 282, 360, 460, 580, 728, 912, 1134, 1404, 1734, 2129, 2604
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| R. J. McIntosh, Second order mock theta functions, Canad. Math. Bull. 50 (2007), 284-290.
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FORMULA
| Sum_{n >= 0} q^(n^2+n)(1+q^2)(1+q^4)...(1+q^(2n))/(1-q)^2(1-q^3)^2...(1-q^(2n+1))^2.
Sum_{n >= 0} q^n(1+q)(1+q^3)...(1+q^(2n-1))/(1-q)(1-q^3)...(1-q^(2n+1)).
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CROSSREFS
| Sequence in context: A003402 A034748 A069916 * A139135 A097197 A119737
Adjacent sequences: A153137 A153138 A153139 * A153141 A153142 A153143
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KEYWORD
| nonn
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AUTHOR
| Jeremy Lovejoy (lovejoy(AT)liafa.jussieu.fr), Dec 19 2008
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