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A006640 Restricted postage stamp problem.
(Formerly M3342)

%I M3342

%S 4,8,24,40,60,88

%N Restricted postage stamp problem.

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

%D S. S. Wagstaff, Jr., Additive h-bases for n, pp. 302-327 of Number Theory Carbondale 1979, Lect. Notes Math. 751 (1982).

%K nonn

%O 1,1

%A _N. J. A. Sloane_.

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Last modified August 3 08:53 EDT 2020. Contains 336197 sequences. (Running on oeis4.)