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A070877
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Expansion of product k>=1 (1-2t^k).
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0
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1, -2, -2, 2, 2, 6, -2, 2, -6, -10, -2, 6, -6, 6, 22, -6, 26, 14, 22, -6, -14, -2, -10, -46, -46, -50, -18, 18, -78, 22, 14, 82, 42, 166, 14, 42, 170, 118, 6, 106, -150, -66, -122, -118, -62, -370, -282, -350, -126, -354, -2, -94, 226, -250, 30, 450, 730, 342, 894
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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MATHEMATICA
| CoefficientList[ Series[ Product[(1 - 2t^k), {k, 1, 60}], {t, 0, 60}], t]
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CROSSREFS
| Cf. A070933, A010815.
Sequence in context: A114005 A103794 A073124 * A156717 A198889 A130754
Adjacent sequences: A070874 A070875 A070876 * A070878 A070879 A070880
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KEYWORD
| sign
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AUTHOR
| Sharon Sela (sharonsela(AT)hotmail.com), May 24 2002
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EXTENSIONS
| Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), May 26 2002
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