OFFSET
1,1
COMMENTS
Numbers whose cube is the average of three distinct positive cubes.
If n is in this sequence, then k*n is also a member of this sequence for all k > 0.
Terms that are not divisible by 3 are 457, 788, 815, 914, ...
Terms that are not members of A023042 are 457, 914, 1078, ...
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..1000
EXAMPLE
75 is a term because 75^3 = (10^3 + 17^3 + 108^3) / 3.
150 = 2*75 is a term.
87 is a term because 87^3 = (13^3 + 54^3 + 122^3) / 3.
457 is a term because 457^3 = (226^3 + 379^3 + 604^3) / 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Altug Alkan, Apr 18 2016
STATUS
approved