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A054848
n - nearest integer to (nearest integer to n^(2/3))^(3/2).
2
0, 0, -1, 0, -1, 0, 1, -1, 0, 1, -1, 0, 1, -2, -1, 0, 1, -2, -1, 0, 1, -2, -1, 0, 1, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -1, 0, 1, 2, -3, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, -2, -1, 0, 1, 2, 3, -2, -1, 0, 1, 2, 3, -2, -1, 0, 1, 2, 3, -2, -1, 0, 1, 2, 3, -2, -1, 0, 1, 2, 3, -3, -2, -1, 0, 1, 2, 3, -2
OFFSET
0,14
FORMULA
a(n) = n-A002821(A054846(n)) = n-A054847(n)
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Henry Bottomley, Apr 14 2000
STATUS
approved