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A229483
Squarefree numbers whose indices are lucky numbers.
1
1, 3, 10, 13, 19, 22, 33, 38, 47, 53, 59, 69, 78, 82, 102, 107, 110, 115, 119, 129, 141, 151, 161, 173, 182, 187, 206, 210, 215, 218, 227, 246, 258, 265, 274, 278, 309, 314, 318, 327, 334, 346, 359, 367, 382, 389, 391, 397, 426, 429, 437, 446, 462, 465, 470
OFFSET
1,2
COMMENTS
Originally arose as "Lucky numbers generated from squarefree numbers" under the hypothesis that Ulam's sieve (the one used to produce lucky numbers) ignores the values of the terms.
FORMULA
a(n) = A005117(A000959(n)). - Charles R Greathouse IV, Sep 16 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved