0,2
See reference for details.
W. R. Parry, A negative result on the representation of modular forms by theta series, J. Reine Angew. Math., 310 (1979), 151-170.
Table of n, a(n) for n=0..12.
Sequence in context: A033725 A033723 A138811 * A079205 A107497 A000095
Adjacent sequences: A107491 A107492 A107493 * A107495 A107496 A107497
nonn
N. J. A. Sloane, May 28 2005
approved