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A006640 Restricted postage stamp problem.
(Formerly M3342)
0
4, 8, 24, 40, 60, 88 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

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

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Sequence in context: A272272 A024589 A062015 * A212686 A316961 A180002

Adjacent sequences:  A006637 A006638 A006639 * A006641 A006642 A006643

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 5 00:40 EDT 2020. Contains 335457 sequences. (Running on oeis4.)