3,1

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

Ehrhart, E.; Sur un probleme de geometrie diophantienne lineaire II. Systemes diophantiens lineaires, J. Reine Angew. Math. 227 1967 25-49.

Sequence in context: A080740 A123324 A023603 this_sequence A062492 A165271 A139672

Adjacent sequences: A002794 A002795 A002796 this_sequence A002798 A002799 A002800

nonn,more

N. J. A. Sloane (njas(AT)research.att.com).