1,4

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, Eugene; Deux corollaires de la loi de reciprocite du polyedre rationnel. C. R. Acad. Sci. Paris Ser. A-B 265 1967 A160-A162.

Cf. A002579.

Sequence in context: A014785 A132352 A033436 this_sequence A059293 A129728 A117469

Adjacent sequences: A002575 A002576 A002577 this_sequence A002579 A002580 A002581

nonn

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