0,5
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..17.
Sequence in context: A006792 A011992 A318329 * A350731 A184366 A230614
Adjacent sequences: A107500 A107501 A107502 * A107504 A107505 A107506
nonn,more
N. J. A. Sloane, May 28 2005
approved