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A153157
A007916(n)^4.
4
16, 81, 625, 1296, 2401, 10000, 14641, 20736, 28561, 38416, 50625, 83521, 104976, 130321, 160000, 194481, 234256, 279841, 331776, 456976, 614656, 707281, 810000, 923521, 1185921, 1336336, 1500625, 1874161, 2085136, 2313441, 2560000, 2825761
OFFSET
1,1
COMMENTS
2^4=16,3^4=81,4^4=256=2^8 is not in the sequence,5^4=625,6^4=1296,...
MATHEMATICA
Select[Range[2, 100], GCD@@Last/@FactorInteger@#==1&]^4
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by Ray Chandler, Dec 22 2008
STATUS
approved