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).

G. Blom and C.-E. Froeberg, Om myntvaexling (On money-changing) [ Swedish ], Nordisk Matematisk Tidskrift, 10 (1962), 55-69, 103.

Cf. A002575.

Sequence in context: A022018 A067684 A074623 this_sequence A037727 A037622 A001252

Adjacent sequences: A002573 A002574 A002575 this_sequence A002577 A002578 A002579

nonn

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