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A075773
Let {b(n)} be the sequence of perfect powers (
A001597
); then a(n) = max { b(n)-b(n-1), b(n+1)-b(n) }.
+0
2
3, 4, 7, 9, 9, 5, 5, 13, 15, 17, 19, 21, 21, 4, 16, 25, 27, 27, 20, 18, 18, 33, 35, 35, 19, 39, 41, 43, 43, 28, 47, 49, 51, 53, 55, 57, 59, 61, 61
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Maintained by
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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.
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