0,6
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..18.
Sequence in context: A328412 A079536 A058923 * A108620 A070512 A156346
Adjacent sequences: A107497 A107498 A107499 * A107501 A107502 A107503
nonn,more
N. J. A. Sloane, May 28 2005
approved