OFFSET
1,1
COMMENTS
This sequence is incorrect. It is left in the database in case there are references or links to it.
REFERENCES
R. K. Guy, Unsolved Problems in Number Theory, D5.
LINKS
Hisanori Mishima, Title?
Eric Weisstein's World of Mathematics, Cubic Number.
MATHEMATICA
30 is not in the sequence because Plus@@({-283059965, -2218888517, 2220422932}^3) gives 30.
CROSSREFS
KEYWORD
dead
STATUS
approved