0,2

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).

Rosa, Alexander; Znam, Stefan; A combinatorial problem in the theory of congruences. (Russian) Mat.-Fys. Casopis Sloven. Akad. Vied 15 1965 49-59.

Rosa, Alexander; Znam, Stefan; A remark on a combinatorial problem. (Russian) Mat.-Fyz. Casopis Sloven. Akad. Vied 15 1965 313-316.

Sequence in context: A122652 A093141 A114468 this_sequence A034385 A074637 A075878

Adjacent sequences: A002702 A002703 A002704 this_sequence A002706 A002707 A002708

nonn

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