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A256058
Coefficients of mock modular form H_1^(2) of type 2A.
1
-2, -6, 14, -28, 42, -56, 86, -138, 188, -238, 336, -478, 616, -786, 1050, -1386, 1764, -2212, 2814, -3612, 4510, -5544, 6936, -8666, 10612, -12936, 15862, -19420, 23532, -28348, 34272, -41412
OFFSET
0,1
LINKS
Miranda C. N. Cheng, John F. R. Duncan, Jeffrey A. Harvey, Umbral Moonshine, arXiv:1204.2779v3.pdf, Oct 13 2013.
CROSSREFS
Equals twice A256059.
Sequence in context: A121968 A305329 A161212 * A294867 A033547 A050531
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Mar 25 2015
STATUS
approved