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A181125
Difference of two positive 6th powers.
4
0, 63, 665, 728, 3367, 4032, 4095, 11529, 14896, 15561, 15624, 31031, 42560, 45927, 46592, 46655, 70993, 102024, 113553, 116920, 117585, 117648, 144495, 215488, 246519, 258048, 261415, 262080, 262143, 269297, 413792, 468559, 484785, 515816
OFFSET
1,2
COMMENTS
No term is a prime number.
MATHEMATICA
nn=10^10; p=6; Union[Reap[Do[n=i^p-j^p; If[n<=nn, Sow[n]], {i, Ceiling[(nn/p)^(1/(p-1))]}, {j, i}]][[2, 1]]]
CROSSREFS
Cf. A024352 (squares), A181123 (cubes), A147857 (4th powers), A181124-A181128 (5th to 9th powers).
Cf. A022522 (a subsequence, except its first term). - Mathew Englander, Jun 01 2014
Sequence in context: A184448 A228262 A340902 * A228221 A022522 A152731
KEYWORD
nonn
AUTHOR
T. D. Noe, Oct 06 2010
STATUS
approved