OFFSET
1,1
COMMENTS
Conjecture: a(n) = n + 21 for all n > 50. - Charles R Greathouse IV, Jan 14 2017
EXAMPLE
7 is a term because 7^3 = 1^3 + 1^3 + 5^3 + 6^3.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Altug Alkan, Jun 23 2016
STATUS
approved