OFFSET
1,1
REFERENCES
R. K. Guy, Unsolved Problems Number Theory, 2nd edition, Springer, 1994, F19.
LINKS
Adam Atkinson, Table of n, a(n) for n = 1..444
Adam Atkinson, Sequence A053020
Adam Atkinson, Sequence A053020 [Local copy, in pdf format, with permission]
EXAMPLE
10 is not in the sequence because 5+3+2 has maximum product AND uses the maximum number of primes (3). (10 = 7+3 is worse in both senses). 319 is the first number for which there's a difference.
PROG
(Perl) # See Atkinson link
CROSSREFS
KEYWORD
nonn
AUTHOR
Adam Atkinson, Feb 23 2000
EXTENSIONS
More terms from Adam Atkinson, Aug 23 2020
STATUS
approved