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A110163 Exponents a(1), a(2), ... such that theta series of E_8 lattice, 1 + 240 q + 2160 q^2 + ... (A004009) is equal to (1-q)^a(1) (1-q^2)^a(2) (1-q^3)^a(3) ... +0
1
-240, 26760, -4096240, 708938760, -130880766192, 25168873498760, -4978357936128240, 1005225129317834760, -206195878414962688240, 42824436296045618358408, -8983966738037593190400240, 1900416270294787067711818760, -404814256845771786255876096240, 86744167089111545378556727322760 (list; graph; listen)
OFFSET

1,1

COMMENT

Negative of inverse Euler transform of [240, 2160, ...].

CROSSREFS

Cf. A004009.

Sequence in context: A008340 A023906 A035841 this_sequence A001943 A052263 A035281

Adjacent sequences: A110160 A110161 A110162 this_sequence A110164 A110165 A110166

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 16 2005

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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