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1,1
The unexceptional class consists of the numbers n == 4 mod 5.
Watson, G. N.; Ramanujans Vermutung ueber Zerfaellungsanzahlen. J. Reine Angew. Math. (Crelle), 179 (1938), 97-128.
Table of n, a(n) for n=1..16.
GDZ, Digitized volumes of Crelle
Sequence in context: A114605 A031103 A179107 * A161541 A247081 A133157
Adjacent sequences: A160521 A160522 A160523 * A160525 A160526 A160527
nonn
N. J. A. Sloane, Nov 13 2009
approved