1,2

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

R. K. Guy and R. Nowakowski, ApSimon's mints problem, Amer. Math. Monthly, 101 (1994), 358-359.

Sequence in context: A036661 A145671 A108693 this_sequence A026096 A098864 A002546

Adjacent sequences: A007670 A007671 A007672 this_sequence A007674 A007675 A007676

hard,nonn,nice

N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)