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A077687
a(n) = n-th squarefree number beginning with n.
1
1, 21, 31, 46, 57, 67, 78, 803, 905, 1002, 1103, 1213, 1307, 1409, 1511, 1618, 1717, 1822, 1915, 2021, 2119, 2226, 2323, 2433, 2531, 2630, 2734, 2834, 2931, 3035, 3135, 3242, 3341, 3445, 3545, 3655, 3749, 3847, 3946, 4055, 4154, 4261, 4355, 4463, 4562
OFFSET
1,2
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 16 2002
EXTENSIONS
More terms from Sascha Kurz, Jan 28 2003
STATUS
approved